diff --git a/iotdb-client/cli/src/assembly/resources/sbin/start-cli.bat b/iotdb-client/cli/src/assembly/resources/sbin/start-cli.bat
index d854965b4ec4..d00c6e65d964 100644
--- a/iotdb-client/cli/src/assembly/resources/sbin/start-cli.bat
+++ b/iotdb-client/cli/src/assembly/resources/sbin/start-cli.bat
@@ -19,6 +19,11 @@
 
 @echo off
 
+@REM DEFAULT_SQL_DIALECT is used to set the default SQL dialect for the CLI.
+@REM empty value means using "tree".
+@REM Optional values: "table" or "tree"
+set DEFAULT_SQL_DIALECT=tree
+
 @REM You can put your env variable here
 @REM set JAVA_HOME=%JAVA_HOME%
 
@@ -73,13 +78,18 @@ set PARAMETERS=%*
 
 @REM if "%PARAMETERS%" == "" set PARAMETERS=-h 127.0.0.1 -p 6667 -u root -pw root
 
+@REF if DEFAULT_SQL_DIALECT is empty, set it to "tree"
+if "%DEFAULT_SQL_DIALECT%" == "" set DEFAULT_SQL_DIALECT=tree
+
 @REM set default parameters
 set pw_parameter=-pw root
 set u_parameter=-u root
 set p_parameter=-p 6667
 set h_parameter=-h 127.0.0.1
+set sql_dialect__parameter=-sql_dialect %DEFAULT_SQL_DIALECT%
 
 @REM Added parameters when default parameters are missing
+echo %PARAMETERS% | findstr /c:"-sql_dialect ">nul && (set PARAMETERS=%PARAMETERS%) || (set PARAMETERS=%sql_dialect__parameter% %PARAMETERS%)
 echo %PARAMETERS% | findstr /c:"-pw ">nul && (set PARAMETERS=%PARAMETERS%) || (set PARAMETERS=%pw_parameter% %PARAMETERS%)
 echo %PARAMETERS% | findstr /c:"-u ">nul && (set PARAMETERS=%PARAMETERS%) || (set PARAMETERS=%u_parameter% %PARAMETERS%)
 echo %PARAMETERS% | findstr /c:"-p ">nul && (set PARAMETERS=%PARAMETERS%) || (set PARAMETERS=%p_parameter% %PARAMETERS%)
diff --git a/iotdb-client/cli/src/assembly/resources/sbin/start-cli.sh b/iotdb-client/cli/src/assembly/resources/sbin/start-cli.sh
index 0e5f7d92c880..1bb6a64375df 100755
--- a/iotdb-client/cli/src/assembly/resources/sbin/start-cli.sh
+++ b/iotdb-client/cli/src/assembly/resources/sbin/start-cli.sh
@@ -18,6 +18,11 @@
 # under the License.
 #
 
+# DEFAULT_SQL_DIALECT is used to set the default SQL dialect for the CLI.
+# empty value means using "tree".
+# Optional values: "table" or "tree"
+DEFAULT_SQL_DIALECT=
+
 # You can put your env variable here
 # export JAVA_HOME=$JAVA_HOME
 
@@ -49,11 +54,17 @@ PARAMETERS=""
 # 	PARAMETERS="-h 127.0.0.1 -p 6667 -u root -pw root"
 # fi
 
+# if DEFAULT_SQL_DIALECT is empty, set it to "tree"
+if [ -z "$DEFAULT_SQL_DIALECT" ]; then
+    DEFAULT_SQL_DIALECT="tree"
+fi
+
 # Added parameters when default parameters are missing
 user_param="-u root"
 passwd_param="-pw root"
 host_param="-h 127.0.0.1"
 port_param="-p 6667"
+sql_dialect_param="-sql_dialect $DEFAULT_SQL_DIALECT"
 
 while true; do
     case "$1" in
@@ -77,6 +88,10 @@ while true; do
             checkEnvVariables $2
             shift 2
         ;;
+        -sql_dialect)
+            sql_dialect_param="-sql_dialect $2"
+            shift 2
+        ;;
         --help)
             echo "Usage: $0 [-h <ip>] [-p <port>] [-u <username>] [-pw <password>] [-D <name=value>] [-c] [-e sql]"
             exit 0
@@ -93,7 +108,7 @@ while true; do
     esac
 done
 
-PARAMETERS="$host_param $port_param $user_param $passwd_param $PARAMETERS"
+PARAMETERS="$host_param $port_param $user_param $passwd_param $sql_dialect_param $PARAMETERS"
 
 if [ -z "${IOTDB_INCLUDE}" ]; then
   #do nothing