diff --git a/apisix/discovery/nacos/init.lua b/apisix/discovery/nacos/init.lua
index 86e9d4125a83..ebb2484b2bb3 100644
--- a/apisix/discovery/nacos/init.lua
+++ b/apisix/discovery/nacos/init.lua
@@ -33,14 +33,12 @@ local str_byte           = string.byte
 local str_find           = core.string.find
 local log                = core.log
 
-local default_weight
-local applications
+local applications = {}
 local auth_path = 'auth/login'
 local instance_list_path = 'ns/instance/list?healthyOnly=true&serviceName='
 local default_namespace_id = "public"
 local default_group_name = "DEFAULT_GROUP"
-local access_key
-local secret_key
+local default_nacos_name = "default"
 
 local events
 local events_list
@@ -49,7 +47,7 @@ local events_list
 local _M = {}
 
 local function discovery_nacos_callback(data, event, source, pid)
-    applications = data
+    applications[data.name] = data.data
     log.notice("update local variable application, event is: ", event,
                "source: ", source, "server pid:", pid,
                ", application: ", core.json.encode(applications, true))
@@ -151,14 +149,14 @@ local function get_group_name_param(group_name)
 end
 
 
-local function get_signed_param(group_name, service_name)
+local function get_signed_param(group_name, service_name, nacos)
     local param = ''
-    if access_key ~= '' and secret_key ~= '' then
+    if nacos.access_key ~= '' and nacos.secret_key ~= '' then
         local str_to_sign = ngx.now() * 1000 .. '@@' .. group_name .. '@@' .. service_name
         local args = {
-            ak = access_key,
+            ak = nacos.access_key,
             data = str_to_sign,
-            signature = ngx.encode_base64(ngx.hmac_sha1(secret_key, str_to_sign))
+            signature = ngx.encode_base64(ngx.hmac_sha1(nacos.secret_key, str_to_sign))
         }
         param = '&' .. ngx.encode_args(args)
     end
@@ -166,8 +164,8 @@ local function get_signed_param(group_name, service_name)
 end
 
 
-local function get_base_uri()
-    local host = local_conf.discovery.nacos.host
+local function get_base_uri(nacos)
+    local host = nacos.host
     -- TODO Add health check to get healthy nodes.
     local url = host[math_random(#host)]
     local auth_idx = core.string.rfind_char(url, '@')
@@ -185,8 +183,9 @@ local function get_base_uri()
         url = protocol .. other
     end
 
-    if local_conf.discovery.nacos.prefix then
-        url = url .. local_conf.discovery.nacos.prefix
+    local prefix = nacos.prefix
+    if prefix then
+        url = url .. prefix
     end
 
     if str_byte(url, #url) ~= str_byte('/') then
@@ -208,7 +207,7 @@ local function de_duplication(services, namespace_id, group_name, service_name,
 end
 
 
-local function iter_and_add_service(services, values)
+local function iter_and_add_service(services, values, nacos)
     if not values then
         return
     end
@@ -225,6 +224,12 @@ local function iter_and_add_service(services, values)
         else
             up = conf
         end
+        local nacos_name_from_args = (up.discovery_args and up.discovery_args.name)
+             or default_nacos_name
+        local nacos_name = nacos.name or default_nacos_name
+        if nacos_name ~= nacos_name_form_args then
+             goto CONTINUE
+        end
 
         local namespace_id = (up.discovery_args and up.discovery_args.namespace_id)
                              or default_namespace_id
@@ -251,7 +256,7 @@ local function iter_and_add_service(services, values)
 end
 
 
-local function get_nacos_services()
+local function get_nacos_services(nacos)
     local services = {}
 
     -- here we use lazy load to work around circle dependency
@@ -260,13 +265,13 @@ local function get_nacos_services()
     local get_stream_routes = require('apisix.router').stream_routes
     local get_services = require('apisix.http.service').services
     local values = get_upstreams()
-    iter_and_add_service(services, values)
+    iter_and_add_service(services, values, nacos)
     values = get_routes()
-    iter_and_add_service(services, values)
+    iter_and_add_service(services, values, nacos)
     values = get_services()
-    iter_and_add_service(services, values)
+    iter_and_add_service(services, values, nacos)
     values = get_stream_routes()
-    iter_and_add_service(services, values)
+    iter_and_add_service(services, values, nacos)
     return services
 end
 
@@ -279,25 +284,26 @@ local function is_grpc(scheme)
 end
 
 
-local function fetch_full_registry(premature)
-    if premature then
-        return
+local function fetch_from_naocs(nacos)
+    local nacos_name = default_nacos_name
+    if nacos.name then
+        nacos_name = nacos.name
     end
-
     local up_apps = {}
-    local base_uri, username, password = get_base_uri()
+    local base_uri, username, password = get_base_uri(nacos)
     local token_param, err = get_token_param(base_uri, username, password)
     if err then
         log.error('get_token_param error:', err)
-        if not applications then
-            applications = up_apps
+        if not applications[nacos_name] then
+            applications[nacos_name] = up_apps
         end
         return
     end
 
-    local infos = get_nacos_services()
+    local infos = get_nacos_services(nacos)
+
     if #infos == 0 then
-        applications = up_apps
+        applications[nacos_name] = up_apps
         return
     end
 
@@ -308,10 +314,11 @@ local function fetch_full_registry(premature)
         local scheme = service_info.scheme or ''
         local namespace_param = get_namespace_param(service_info.namespace_id)
         local group_name_param = get_group_name_param(service_info.group_name)
-        local signature_param = get_signed_param(service_info.group_name, service_info.service_name)
+        local signature_param = get_signed_param(service_info.group_name,
+                service_info.service_name, nacos)
         local query_path = instance_list_path .. service_info.service_name
-                           .. token_param .. namespace_param .. group_name_param
-                           .. signature_param
+                .. token_param .. namespace_param .. group_name_param
+                .. signature_param
         data, err = get_url(base_uri, query_path)
         if err then
             log.error('get_url:', query_path, ' err:', err)
@@ -328,17 +335,17 @@ local function fetch_full_registry(premature)
 
         for _, host in ipairs(data.hosts) do
             local nodes = up_apps[namespace_id]
-                [group_name][service_info.service_name]
+            [group_name][service_info.service_name]
             if not nodes then
                 nodes = {}
                 up_apps[namespace_id]
-                    [group_name][service_info.service_name] = nodes
+                [group_name][service_info.service_name] = nodes
             end
 
             local node = {
                 host = host.ip,
                 port = host.port,
-                weight = host.weight or default_weight,
+                weight = host.weight or nacos.weight,
             }
 
             -- docs: https://github.com/yidongnan/grpc-spring-boot-starter/pull/496
@@ -352,16 +359,35 @@ local function fetch_full_registry(premature)
         ::CONTINUE::
     end
     local new_apps_md5sum = ngx.md5(core.json.encode(up_apps))
-    local old_apps_md5sum = ngx.md5(core.json.encode(applications))
+    local old_apps_md5sum = ngx.md5(core.json.encode(applications[nacos_name]))
     if new_apps_md5sum == old_apps_md5sum then
         return
     end
-    applications = up_apps
+    applications[nacos_name] = up_apps
+    local arg = {
+        name = nacos_name,
+        data = up_apps
+    }
     local ok, err = events:post(events_list._source, events_list.updating,
-                                applications)
+            arg)
     if not ok then
         log.error("post_event failure with ", events_list._source,
-                  ", update application error: ", err)
+                ", update application error: ", err)
+    end
+
+
+end
+
+local function fetch_full_registry(premature)
+    if premature then
+        return
+    end
+    fetch_from_naocs(local_conf.discovery.nacos)
+    local others_nacos = local_conf.discovery.nacos.hosts
+    if others_nacos and #others_nacos > 0 then
+        for _, nacos in ipairs(others_nacos) do
+            fetch_from_naocs(nacos)
+        end
     end
 end
 
@@ -371,12 +397,14 @@ function _M.nodes(service_name, discovery_args)
             discovery_args.namespace_id or default_namespace_id
     local group_name = discovery_args
             and discovery_args.group_name or default_group_name
+    local nacos_name = discovery_args
+            and discovery_args.name or default_nacos_name
 
     local logged = false
     -- maximum waiting time: 5 seconds
     local waiting_time = 5
     local step = 0.1
-    while not applications and waiting_time > 0 do
+    while not applications[nacos_name] and waiting_time > 0 do
         if not logged then
             log.warn('wait init')
             logged = true
@@ -385,12 +413,13 @@ function _M.nodes(service_name, discovery_args)
         waiting_time = waiting_time - step
     end
 
-    if not applications or not applications[namespace_id]
-        or not applications[namespace_id][group_name]
+    if not applications or not applications[nacos_name]
+        or not  applications[nacos_name][namespace_id]
+        or not applications[nacos_name][namespace_id][group_name]
     then
         return nil
     end
-    return applications[namespace_id][group_name][service_name]
+    return applications[nacos_name][namespace_id][group_name][service_name]
 end
 
 
@@ -405,12 +434,17 @@ function _M.init_worker()
         return
     end
 
-    default_weight = local_conf.discovery.nacos.weight
-    log.info('default_weight:', default_weight)
+    --default_weight = local_conf.discovery.nacos.weight
+    --log.info('default_weight:', default_weight)
+    if local_conf.discovery.nacos.host
+    then
+        log.warn("config \"naocs.host\" will be deprecated soon.")
+    end
+
     local fetch_interval = local_conf.discovery.nacos.fetch_interval
     log.info('fetch_interval:', fetch_interval)
-    access_key = local_conf.discovery.nacos.access_key
-    secret_key = local_conf.discovery.nacos.secret_key
+    --access_key = local_conf.discovery.nacos.access_key
+    --secret_key = local_conf.discovery.nacos.secret_key
     ngx_timer_at(0, fetch_full_registry)
     ngx_timer_every(fetch_interval, fetch_full_registry)
 end
diff --git a/apisix/discovery/nacos/schema.lua b/apisix/discovery/nacos/schema.lua
index 294048736e58..ed8cb8c27218 100644
--- a/apisix/discovery/nacos/schema.lua
+++ b/apisix/discovery/nacos/schema.lua
@@ -54,6 +54,49 @@ return {
         },
         access_key = {type = 'string', default = ''},
         secret_key = {type = 'string', default = ''},
+        hosts = {
+            type = 'array',
+            items = {
+                type = 'object',
+                properties = {
+                    name = {type ="string"},
+                    host = {
+                        type = 'array',
+                        minItems = 1,
+                        items = {
+                            type = 'string',
+                            pattern = host_pattern,
+                            minLength = 2,
+                            maxLength = 100,
+                        },
+                    },
+
+                    prefix = {
+                        type = 'string',
+                        pattern = prefix_pattern,
+                        maxLength = 100,
+                        default = '/nacos/v1/'
+                    },
+                    weight = {type = 'integer', minimum = 1, default = 100},
+                    timeout = {
+                        type = 'object',
+                        properties = {
+                            connect = {type = 'integer', minimum = 1, default = 2000},
+                            send = {type = 'integer', minimum = 1, default = 2000},
+                            read = {type = 'integer', minimum = 1, default = 5000},
+                        },
+                        default = {
+                            connect = 2000,
+                            send = 2000,
+                            read = 5000,
+                        }
+                    },
+                    access_key = {type = 'string', default = ''},
+                    secret_key = {type = 'string', default = ''},
+                }
+
+            }
+        }
     },
     required = {'host'}
 }
diff --git a/ci/pod/docker-compose.first.yml b/ci/pod/docker-compose.first.yml
index d203a967ddfc..fda008c6d8fb 100644
--- a/ci/pod/docker-compose.first.yml
+++ b/ci/pod/docker-compose.first.yml
@@ -109,6 +109,7 @@ services:
           - consul.cluster
 
   ## Nacos cluster
+
   nacos_auth:
     hostname: nacos1
     image: nacos/nacos-server:1.4.1
@@ -133,6 +134,18 @@ services:
     networks:
       nacos_net:
 
+
+  nacos_auth_standalone:
+    hostname: nacos3
+    image: nacos/nacos-server:1.4.1
+    env_file:
+      - ci/pod/nacos/env/standalone.env
+    restart: unless-stopped
+    ports:
+      - "8868:8848"
+    networks:
+      nacos_net:
+
   nacos_server_health_check:
     build:
       context: ci/pod/nacos/healthcheck
@@ -152,6 +165,25 @@ services:
     networks:
       nacos_net:
 
+  nacos_standalone_server_health_check:
+    build:
+      context: ci/pod/nacos/healthcheck
+      dockerfile: Dockerfile
+    environment:
+      CHECK_URI: "http://nacos3:8848/nacos/v1/ns/service/list?pageNo=1&pageSize=2"
+    tty: true
+    # debug healthcheck script
+    #    volumes:
+    #     - ./ci/pod/nacos/healthcheck/nacos-server-healthcheck.sh:/nacos-server-healthcheck.sh
+    healthcheck:
+      test: [ "CMD", "bash", "/nacos-server-healthcheck.sh" ]
+      interval: 5s
+      timeout: 5s
+      retries: 60
+      start_period: 10s
+    networks:
+      nacos_net:
+
   nacos_service_health_check:
     build:
       context: ci/pod/nacos/healthcheck
@@ -296,6 +328,24 @@ services:
         condition: service_healthy
     networks:
       nacos_net:
+  nacos-service8:
+    build:
+      context: ci/pod/nacos/service
+      dockerfile: Dockerfile
+    env_file:
+      - ci/pod/nacos/env/service_standalone.env
+    environment:
+      SUFFIX_NUM: 4
+      GROUP: test_group
+      NAMESPACE: test_ns
+    restart: unless-stopped
+    ports:
+      - "18008:18001"
+    depends_on:
+      nacos_standalone_server_health_check:
+        condition: service_healthy
+    networks:
+      nacos_net:
 
 
 networks:
diff --git a/ci/pod/nacos/env/service_standalone.env b/ci/pod/nacos/env/service_standalone.env
new file mode 100644
index 000000000000..ac6f7a865846
--- /dev/null
+++ b/ci/pod/nacos/env/service_standalone.env
@@ -0,0 +1,2 @@
+SERVICE_NAME=APISIX-NACOS
+NACOS_ADDR=nacos3:8848
diff --git a/ci/pod/nacos/env/standalone.env b/ci/pod/nacos/env/standalone.env
new file mode 100644
index 000000000000..34738d58ae2f
--- /dev/null
+++ b/ci/pod/nacos/env/standalone.env
@@ -0,0 +1,5 @@
+EMBEDDED_STORAGE=embedded
+PREFER_HOST_MODE=hostname
+MODE=standalone
+JVM_XMS=512m
+JVM_XMX=512m
diff --git a/conf/config-default.yaml b/conf/config-default.yaml
index 953fb1f098a3..61e01eb26e3d 100755
--- a/conf/config-default.yaml
+++ b/conf/config-default.yaml
@@ -296,20 +296,38 @@ nginx_config:                     # Config for render the template to generate n
 #      connect: 2000              # Default 2000ms
 #      send: 2000                 # Default 2000ms
 #      read: 5000                 # Default 5000ms
-#  nacos:                         # Nacos
-#    host:                        # Nacos address(es)
+
+#  nacos:
+#    name: "default"       # Deprecated,see nacos.hosts.name
+#    host:                 # Deprecated,see nacos.hosts.host
 #      - "http://${username}:${password}@${host1}:${port1}"
-#    prefix: "/nacos/v1/"
-#    fetch_interval: 30    # Default 30s
-# `weight` is the `default_weight` that will be attached to each discovered node that
-# doesn't have a weight explicitly provided in nacos results
-#    weight: 100           # Default 100.
-#    timeout:
-#      connect: 2000       # Default 2000ms
-#      send: 2000          # Default 2000ms
-#      read: 5000          # Default 5000ms
-#    access_key: ""        # Nacos AccessKey ID in Alibaba Cloud, notice that it's for Nacos instances on Microservices Engine (MSE)
-#    secret_key: ""        # Nacos AccessKey Secret in Alibaba Cloud, notice that it's for Nacos instances on Microservices Engine (MSE)
+#    prefix: "/nacos/v1/"  # Deprecated,see nacos.hosts.prefix.
+#    fetch_interval: 30    # default 30 sec.all nacos in config will use this config
+#
+#    weight: 100           # Deprecated see nacos.hosts.weight
+#    timeout:              # Deprecated see nacos.hosts.timeout
+#      connect: 2000       # Deprecated see nacos.hosts.timeout
+#      send: 2000          # Deprecated see nacos.hosts.timeout
+#      read: 5000          # Deprecated see nacos.hosts.timeout
+#    access_key: ""        # Deprecated see nacos.hosts.access_key
+#    secret_key: ""        # Deprecated see nacos.hosts.secret_key
+#    hosts:
+#      - name: "your_nacos_cluster_name"  #your nacos cluster name
+#        host:
+#          - "http://${username}:${password}@${host1}:${port1}"
+#        prefix: "/nacos/v1/"
+#        # `weight` is the `default_weight` that will be attached to each discovered node that
+#        # doesn't have a weight explicitly provided in nacos results
+#        weight: 100         # default 100
+#        timeout:
+#          connect: 2000     # default 2000 ms
+#          send: 2000        # default 2000 ms
+#          read: 5000        # default 5000 ms
+#        access_key: ""        # Nacos AccessKey ID in Alibaba Cloud, notice that it's for Nacos instances on
+#        # Microservices Engine (MSE)
+#        secret_key: ""        # Nacos AccessKey Secret in Alibaba Cloud, notice that it's for Nacos instances on
+#        # Microservices Engine (MSE)
+
 #  consul_kv:              # Consul KV
 #    servers:              # Consul KV address(es)
 #      - "http://127.0.0.1:8500"
diff --git a/docs/en/latest/discovery/nacos.md b/docs/en/latest/discovery/nacos.md
index 5ebbcee46b49..1cc8d54cef27 100644
--- a/docs/en/latest/discovery/nacos.md
+++ b/docs/en/latest/discovery/nacos.md
@@ -34,17 +34,35 @@ Add following configuration in `conf/config.yaml` :
 ```yaml
 discovery:
   nacos:
-    host:
+    name: "default"       # Deprecated,see nacos.hosts.name
+    host:                 # Deprecated,see nacos.hosts.host
       - "http://${username}:${password}@${host1}:${port1}"
-    prefix: "/nacos/v1/"
-    fetch_interval: 30    # default 30 sec
-    # `weight` is the `default_weight` that will be attached to each discovered node that
-    # doesn't have a weight explicitly provided in nacos results
-    weight: 100           # default 100
-    timeout:
-      connect: 2000       # default 2000 ms
-      send: 2000          # default 2000 ms
-      read: 5000          # default 5000 ms
+    prefix: "/nacos/v1/"  # Deprecated,see nacos.hosts.prefix.
+    fetch_interval: 30    # default 30 sec.all nacos in config will use this config
+
+    weight: 100           # Deprecated see nacos.hosts.weight
+    timeout:              # Deprecated see nacos.hosts.timeout
+      connect: 2000       # Deprecated see nacos.hosts.timeout
+      send: 2000          # Deprecated see nacos.hosts.timeout
+      read: 5000          # Deprecated see nacos.hosts.timeout
+    access_key: ""        # Deprecated see nacos.hosts.access_key
+    secret_key: ""        # Deprecated see nacos.hosts.secret_key
+    hosts:
+      - name: "your_nacos_cluster_name"  #your nacos cluster name
+        host:
+          - "http://${username}:${password}@${host1}:${port1}"
+        prefix: "/nacos/v1/"
+        # `weight` is the `default_weight` that will be attached to each discovered node that
+        # doesn't have a weight explicitly provided in nacos results
+        weight: 100         # default 100
+        timeout:
+          connect: 2000     # default 2000 ms
+          send: 2000        # default 2000 ms
+          read: 5000        # default 5000 ms
+        access_key: ""        # Nacos AccessKey ID in Alibaba Cloud, notice that it's for Nacos instances on
+        # Microservices Engine (MSE)
+        secret_key: ""        # Nacos AccessKey Secret in Alibaba Cloud, notice that it's for Nacos instances on
+        # Microservices Engine (MSE)
 ```
 
 And you can config it in short by default value:
@@ -52,8 +70,9 @@ And you can config it in short by default value:
 ```yaml
 discovery:
   nacos:
-    host:
-      - "http://192.168.33.1:8848"
+    hosts:
+      - host:
+         - "http://192.168.33.1:8848"
 ```
 
 ### Upstream setting
@@ -79,10 +98,14 @@ $ curl http://127.0.0.1:9180/apisix/admin/routes/1 -H "X-API-KEY: $admin_key" -X
         "service_name": "APISIX-NACOS",
         "type": "roundrobin",
         "discovery_type": "nacos"
+        "discovery_args":{
+          "name": "your_naocos_cluster_name"
+        }
     }
 }'
 ```
 
+
 The formatted response as below:
 
 ```json
@@ -128,10 +151,11 @@ $ curl http://127.0.0.1:9180/apisix/admin/stream_routes/1 -H "X-API-KEY: $admin_
 
 ### discovery_args
 
-| Name         | Type   | Requirement | Default | Valid | Description                                                  |
-| ------------ | ------ | ----------- | ------- | ----- | ------------------------------------------------------------ |
-| namespace_id | string | optional    | public     |       | This parameter is used to specify the namespace of the corresponding service |
-| group_name   | string | optional    | DEFAULT_GROUP       |       | This parameter is used to specify the group of the corresponding service |
+| Name         | Type   | Requirement | Default       | Valid | Description                                                                |
+|--------------| ------ | ----------- |---------------| ----- |----------------------------------------------------------------------------|
+| name         | string | optional    | default       |       | This parameter is used to specify nacos cluster in nacos.hosts config      |
+| namespace_id | string | optional    | public        |       | This parameter is used to specify the namespace of the corresponding service |
+| group_name   | string | optional    | DEFAULT_GROUP |       | This parameter is used to specify the group of the corresponding service   |
 
 #### Specify the namespace
 
diff --git a/t/discovery/nacos.t b/t/discovery/nacos.t
index 9af1ee14a814..31a3b503b802 100644
--- a/t/discovery/nacos.t
+++ b/t/discovery/nacos.t
@@ -32,15 +32,26 @@ deployment:
     config_provider: yaml
 discovery:
   nacos:
-      host:
-        - "http://127.0.0.1:8858"
-      prefix: "/nacos/v1/"
-      fetch_interval: 1
-      weight: 1
-      timeout:
-        connect: 2000
-        send: 2000
-        read: 5000
+    host:
+      - "http://127.0.0.1:8858"
+    prefix: "/nacos/v1/"
+    fetch_interval: 1
+    weight: 1
+    timeout:
+      connect: 2000
+      send: 2000
+      read: 5000
+    hosts:
+      - name: nacos3
+        host:
+          - "http://127.0.0.1:8868"
+        prefix: "/nacos/v1/"
+        fetch_interval: 1
+        weight: 1
+        timeout:
+          connect: 2000
+          send: 2000
+          read: 5000
 
 _EOC_
 
@@ -53,16 +64,15 @@ deployment:
     config_provider: yaml
 discovery:
   nacos:
-      host:
-        - "http://nacos:nacos\@127.0.0.1:8848"
-      prefix: "/nacos/v1/"
-      fetch_interval: 1
-      weight: 1
-      timeout:
-        connect: 2000
-        send: 2000
-        read: 5000
-
+    host:
+      - "http://nacos:nacos\@127.0.0.1:8848"
+    prefix: "/nacos/v1/"
+    fetch_interval: 1
+    weight: 1
+    timeout:
+      connect: 2000
+      send: 2000
+      read: 5000
 _EOC_
 
 run_tests();
@@ -927,3 +937,28 @@ GET /t
 --- response_body
 server 1
 server 4
+
+
+
+=== TEST 27: get APISIX-NACOS info from NACOS by nacos name
+--- yaml_config eval: $::yaml_config
+--- apisix_yaml
+routes:
+  -
+    uri: /hello
+    upstream:
+      service_name: APISIX-NACOS
+      discovery_type: nacos
+      discovery_args:
+        name: nacos3
+        namespace_id: test_ns
+        group_name: test_group
+
+      type: roundrobin
+#END
+--- request
+GET /hello
+--- response_body chomp
+server 4
+--- no_error_log
+[error]
diff --git a/t/discovery/nacos2.t b/t/discovery/nacos2.t
index e7dc8f97318a..63bac6d21d81 100644
--- a/t/discovery/nacos2.t
+++ b/t/discovery/nacos2.t
@@ -308,7 +308,7 @@ discovery:
 
             local body = json_decode(res.body)
             local services = body.services
-            local service = services["public"]["DEFAULT_GROUP"]["APISIX-NACOS"]
+            local service = services["default"]["public"]["DEFAULT_GROUP"]["APISIX-NACOS"]
             local number = table.getn(service)
             ngx.say(number)
         }