diff --git a/.github/workflows/integration-tdx.yml b/.github/workflows/integration-tdx.yml
index 4e4b1546..2e40477c 100644
--- a/.github/workflows/integration-tdx.yml
+++ b/.github/workflows/integration-tdx.yml
@@ -15,8 +15,8 @@ env:
   TOOLCHAIN_PROFILE: minimal
 
 jobs:
-  system_compile:
-    name: Run TDX Integration Test
+  virtio_vsock:
+    name: Run TDX Integration Test (virtio-vsock)
     runs-on: [self-hosted, tdx]
     # timeout-minutes: 30
 
@@ -99,4 +99,72 @@ jobs:
       
       - name: Run Tests - Run migration test case 011
         run: |
-          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_011.bin
\ No newline at end of file
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_011.bin
+
+  virtio_serial:
+    name: Run TDX Integration Test (virtio-serial)
+    runs-on: [self-hosted, tdx]
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+        with: 
+          submodules: recursive
+
+      - name: Build Migration TD binary
+        run: bash sh_script/build_final.sh -t migtd -d serial -c -a on
+
+      - name: Run Tests - Test Migration TD
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f target/release/migtd.bin -d serial
+
+      - name: Run Tests - Cycle Test Migration TD (20)
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f target/release/migtd.bin -d serial -n 20
+      
+      - name: Build all test binaries
+        run: bash sh_script/build_final.sh -t test -c -a on -d serial
+
+      - name: Run Tests - Run migration test case 001
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_001.bin -d serial
+      
+      - name: Run Tests - Run migration test case 002
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_002.bin -d serial
+      
+      - name: Run Tests - Run migration test case 003
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_003.bin -d serial
+
+      - name: Run Tests - Run migration test case 004
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_004.bin -d serial
+      
+      - name: Run Tests - Run migration test case 005
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_005.bin -d serial
+      
+      - name: Run Tests - Run migration test case 006
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_006.bin -d serial
+
+      - name: Run Tests - Run migration test case 007
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_007.bin -d serial
+      
+      - name: Run Tests - Run migration test case 008
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_008.bin -d serial
+      
+      - name: Run Tests - Run migration test case 009
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_009.bin -d serial
+      
+      - name: Run Tests - Run migration test case 010
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_010.bin -d serial
+      
+      - name: Run Tests - Run migration test case 011
+        run: |
+          sudo bash sh_script/integration_tdx.sh -f Bin/migtd_011.bin -d serial
\ No newline at end of file
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d6914d5e..1a1fd0e0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ env:
   TOOLCHAIN_PROFILE: minimal
 
 jobs:
-  system_compile:
+  build_migtd:
     name: Build final migtd
     runs-on: ubuntu-20.04
     timeout-minutes: 30
@@ -60,4 +60,54 @@ jobs:
         run: bash sh_script/build_final.sh -t migtd -c -a on
 
       - name: Build Migtd Final Binary Using Vmcall-Vsock
-        run: bash sh_script/build_final.sh -t migtd -v vmcall -c
\ No newline at end of file
+        run: bash sh_script/build_final.sh -t migtd -d vmcall -c
+
+      - name: Build Migtd Final Binary Using virtio-serial
+        run: bash sh_script/build_final.sh -t migtd -d serial -c
+
+  build_migtd_features:
+    name: Build final migtd (vmcall-vsock/virtio-serial)
+    runs-on: ubuntu-20.04
+    timeout-minutes: 30
+
+    steps:
+      # Install first since it's needed to build NASM
+      - name: Install LLVM and Clang
+        uses: KyleMayes/install-llvm-action@v1
+        with:
+          version: "10.0"
+          directory: ${{ runner.temp }}/llvm
+
+      - name: Install NASM
+        uses: ilammy/setup-nasm@v1
+
+      - name: Install tools for sgx lib
+        run:  sudo apt-get install build-essential ocaml ocamlbuild automake autoconf libtool wget python-is-python3 libssl-dev git cmake perl
+
+      - name: Checkout sources
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Install toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: ${{ env.TOOLCHAIN_PROFILE }}
+          toolchain: ${{ env.RUST_TOOLCHAIN }}
+          override: true
+          components: rust-src
+
+      - name: Run cargo install cargo-xbuild
+        uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: cargo-xbuild
+        
+      - name: Preparation Work
+        run: bash sh_script/preparation.sh
+
+      - name: Build Migtd Final Binary Using Vmcall-Vsock
+        run: bash sh_script/build_final.sh -t migtd -d vmcall -c
+
+      - name: Build Migtd Final Binary Using virtio-serial
+        run: bash sh_script/build_final.sh -t migtd -d serial -c
\ No newline at end of file
diff --git a/sh_script/build_final.sh b/sh_script/build_final.sh
index 8579ddba..413fbf5c 100644
--- a/sh_script/build_final.sh
+++ b/sh_script/build_final.sh
@@ -18,11 +18,11 @@ function cleanup() {
 }
 
 function proccess_args() {
-    while getopts ":t:a:v:c" option; do
+    while getopts ":t:a:v:d:c" option; do
         case "${option}" in
             t) type=${OPTARG};;
             a) attestation=${OPTARG};;
-            v) vsock=${OPTARG};;
+            d) device=${OPTARG};;
             c) cleanup;;
         esac
     done
@@ -45,13 +45,12 @@ function proccess_args() {
     then
         MIGTD_FEATURE+=",remote-attestation"
     fi
-    
-    if [[ ${vsock} == "vmcall" ]];
-    then
-        MIGTD_FEATURE+=",vmcall-vsock"
-    else
-        MIGTD_FEATURE+=",virtio-vsock"
-    fi
+
+    case "${device}" in
+        vmcall) MIGTD_FEATURE+=",vmcall-vsock";;
+        serial) MIGTD_FEATURE+=",virtio-serial";;
+        *) MIGTD_FEATURE+=",virtio-vsock";;
+    esac
 }
 
 function check_file_exist() {
diff --git a/sh_script/integration_tdx.sh b/sh_script/integration_tdx.sh
index ed260194..128f23eb 100644
--- a/sh_script/integration_tdx.sh
+++ b/sh_script/integration_tdx.sh
@@ -28,9 +28,23 @@ cycle=0
 # Test Configuration Info
 cpus=1
 memory=32M
+device=vsock
 
 # trap cleanup exit
 
+# MigTD start command
+migtd_qemu_cmd="${qemu_tdx_path} \
+    -accel kvm \
+    -M q35 \
+    -cpu host,host-phys-bits,-kvm-steal-time,pmu=off \
+    -smp ${cpus},threads=1,sockets=${cpus} \
+    -m ${memory} \
+    -object tdx-guest,id=tdx0,quote-generation-service=vsock:1:4050,sept-ve-disable=off,debug=off \
+    -object memory-backend-memfd-private,id=ram1,size=${memory} \
+    -machine q35,memory-backend=ram1,confidential-guest-support=tdx0,kernel_irqchip=split \
+    -no-hpet \
+    -nographic -vga none -nic none"
+
 usage() {
     cat << EOM
 Usage: $(basename "$0") [OPTION]...
@@ -42,13 +56,14 @@ Usage: $(basename "$0") [OPTION]...
   -c <CPU number> by default is 1.
   -m <Memory size> by defalt is 2G.
   -n Cycle test number.
+  -d Device(transport) used for host-guest communication, by default is `vsock`.
   -h Show help info
 EOM
     exit 0
 }
 
 proccess_args() {
-    while getopts ":i:p:k:f:t:c:m:n:h" option; do
+    while getopts ":i:p:k:f:t:c:m:n:d:h" option; do
         case "${option}" in
             i) guest_image=${OPTARG};;
             p) qemu_tdx_path=${OPTARG};;
@@ -58,6 +73,7 @@ proccess_args() {
             c) cpus=${OPTARG};;
             m) memory=${OPTARG};;
             n) cycle=${OPTARG};; 
+            d) device=${OPTARG};;
             h) usage;;
         esac
     done
@@ -83,6 +99,7 @@ proccess_args() {
     echo "Type              : ${type}"
     echo "CPUs              : ${cpus}"
     echo "Memmory Size      : ${memory}"
+    echo "Device type       : ${device}"
     echo "========================================="
 }
 
@@ -157,60 +174,65 @@ setup_agent() {
 }
 
 launch_src_migtd() {
-    nohup ${qemu_tdx_path} \
-        -accel kvm \
-        -M q35 \
-        -cpu host,host-phys-bits,-kvm-steal-time,pmu=off \
-        -smp ${cpus},threads=1,sockets=${cpus} \
-        -m ${memory} \
-        -object tdx-guest,id=tdx0,quote-generation-service=vsock:1:4050,sept-ve-disable=off,debug=off \
-        -object memory-backend-memfd-private,id=ram1,size=${memory} \
-        -machine q35,memory-backend=ram1,confidential-guest-support=tdx0,kernel_irqchip=split \
-        -bios $1 \
-        -device vhost-vsock-pci,id=vhost-vsock-pci1,guest-cid=18,disable-legacy=on \
-        -name migtd-src,process=migtd-src,debug-threads=on \
-        -no-hpet \
-        -nographic -vga none -nic none \
-        -serial mon:stdio > ${mig_src_log} &
+    local cmd="${migtd_qemu_cmd} \
+                -bios $1 \
+                -name migtd-src,process=migtd-src,debug-threads=on \
+                -serial mon:stdio"
+
+    if [[ ${device} == serial ]]
+    then
+        cmd="${cmd} \
+            -device virtio-serial-pci,id=virtio-serial0 \
+            -chardev socket,host=127.0.0.1,port=1234,server=off,id=foo \
+            -device virtserialport,chardev=foo,bus=virtio-serial0.0"
+    elif [[ ${device} == vsock ]]
+    then
+        cmd="${cmd} \
+            -device vhost-vsock-pci,id=vhost-vsock-pci1,guest-cid=18,disable-legacy=on"
+    fi
+
+    nohup ${cmd} > ${mig_src_log} &
 
     sleep 10
 }
 
 launch_dst_migtd() {
-    nohup ${qemu_tdx_path} \
-        -accel kvm \
-        -M q35 \
-        -cpu host,host-phys-bits,-kvm-steal-time,pmu=off \
-        -smp ${cpus},threads=1,sockets=${cpus} \
-        -m ${memory} \
-        -object tdx-guest,id=tdx0,quote-generation-service=vsock:1:4050,sept-ve-disable=off,debug=off \
-        -object memory-backend-memfd-private,id=ram1,size=${memory} \
-        -machine q35,memory-backend=ram1,confidential-guest-support=tdx0,kernel_irqchip=split \
-        -bios $1 \
-        -device vhost-vsock-pci,id=vhost-vsock-pci1,guest-cid=36,disable-legacy=on \
-        -name migtd-dst,process=migtd-dst,debug-threads=on \
-        -no-hpet \
-        -nographic -vga none -nic none \
-        -serial mon:stdio > ${mig_dst_log} &
+    local cmd="${migtd_qemu_cmd} \
+                -bios $1 \
+                -name migtd-dst,process=migtd-dst,debug-threads=on \
+                -serial mon:stdio"
+
+    if [[ ${device} == serial ]]
+    then
+        cmd="${cmd} \
+            -device virtio-serial-pci,id=virtio-serial0 \
+            -chardev socket,host=127.0.0.1,port=1234,server=on,id=foo \
+            -device virtserialport,chardev=foo,bus=virtio-serial0.0"
+    elif [[ ${device} == vsock ]]
+    then
+        cmd="${cmd} \
+            -device vhost-vsock-pci,id=vhost-vsock-pci1,guest-cid=36,disable-legacy=on"
+    fi
+
+    nohup ${cmd} > ${mig_dst_log} &
 
     sleep 10
 }
 
-launch_dst_migtd_without_vsock() {
-    nohup ${qemu_tdx_path} \
-        -accel kvm \
-        -M q35 \
-        -cpu host,host-phys-bits,-kvm-steal-time,pmu=off \
-        -smp ${cpus},threads=1,sockets=${cpus} \
-        -m ${memory} \
-        -object tdx-guest,id=tdx0,quote-generation-service=vsock:1:4050,sept-ve-disable=off,debug=off \
-        -object memory-backend-memfd-private,id=ram1,size=${memory} \
-        -machine q35,memory-backend=ram1,confidential-guest-support=tdx0,kernel_irqchip=split \
-        -bios $1 \
-        -name migtd-dst,process=migtd-dst,debug-threads=on \
-        -no-hpet \
-        -nographic -vga none -nic none \
-        -serial mon:stdio > ${mig_dst_log} &
+launch_src_migtd_without_device() {
+    local cmd="${migtd_qemu_cmd} \
+                -bios $1 \
+                -name migtd-src,process=migtd-src,debug-threads=on \
+                -serial mon:stdio"
+
+    # Connect to dst MigTD to make it run
+    if [[ ${device} == serial ]]
+    then
+        cmd="${cmd} \
+            -chardev socket,host=127.0.0.1,port=1234,server=off,id=foo"
+    fi
+
+    nohup ${cmd} > ${mig_src_log} &
 
     sleep 10
 }
@@ -274,25 +296,29 @@ test_migtd() {
     echo "-- start test migration td"
     local time_out=30
 
-    echo "-- setup agent"
-    setup_agent
+    if [[ ${device} == vsock ]]
+    then 
+        echo "-- setup agent"
+        setup_agent
+    fi
+
+    echo "-- launch dst migtd"
+    launch_dst_migtd ${firmware}
+
     echo "-- launch src migtd"
     if [[ ${firmware} == *004* ]] || [[ ${firmware} == *005* ]] || [[ ${firmware} == *006* ]] || [[ ${firmware} == *migtd.bin* ]]
     then
         launch_src_migtd ${firmware}
-    elif [[ ${firmware} == *007* ]] || [[ ${firmware} == *008* ]] || [[ ${firmware} == *009* ]]
+    elif [[ ${firmware} == *007* ]] || [[ ${firmware} == *008* ]]
     then 
         launch_src_migtd "`dirname ${firmware}`/migtd_no.bin"
-    else
-        launch_src_migtd "`dirname ${firmware}`/migtd_001.bin"
-    fi
-    echo "-- launch dst migtd"
-    if [[ ${firmware} == *009* ]]
+    elif [[ ${firmware} == *009* ]]
     then
-        launch_dst_migtd_without_vsock ${firmware}
+        launch_src_migtd_without_device "`dirname ${firmware}`/migtd_no.bin"
     else
-        launch_dst_migtd ${firmware}
+        launch_src_migtd "`dirname ${firmware}`/migtd_001.bin"
     fi
+
     echo "-- launch src td"
     launch_src_td
     echo "-- launch dst td"
@@ -324,13 +350,15 @@ cycle_test_migtd() {
     echo "-- start test migration td"
     local time_out=30
 
-    echo "-- setup agent"
-    setup_agent
-    echo "-- launch src migtd"
-    launch_src_migtd ${firmware}
-
+    if [[ ${device} == vsock ]]
+    then 
+        echo "-- setup agent"
+        setup_agent
+    fi
     echo "-- launch dst migtd"
     launch_dst_migtd ${firmware}
+    echo "-- launch src migtd"
+    launch_src_migtd ${firmware}
     
     for ((i=1;i<${cycle};i++))
     do