diff --git a/tools/building.py b/tools/building.py
index 508f9a0187..e9a59a9a4e 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -872,6 +872,9 @@ def GenTargetProject(program = None):
     if GetOption('target') == 'vsc':
         from vsc import GenerateVSCode
         GenerateVSCode(Env)
+        if GetOption('cmsispack'):
+            from vscpyocd import GenerateVSCodePyocdConfig
+            GenerateVSCodePyocdConfig(GetOption('cmsispack'))
 
     if GetOption('target') == 'cdk':
         from cdk import CDKProject
diff --git a/tools/options.py b/tools/options.py
index 9d8c0ff4df..5777daf173 100644
--- a/tools/options.py
+++ b/tools/options.py
@@ -80,6 +80,10 @@ def AddOptions():
                       dest = 'target',
                       type = 'string',
                       help = 'set target project: mdk/mdk4/mdk5/iar/vs/vsc/ua/cdk/ses/makefile/eclipse/codelite/cmake')
+    AddOption('--pack',
+                      dest = 'cmsispack',
+                      type = 'string',
+                      help = 'set pack: <cmsispack path>')
     AddOption('--strict',
                 dest='strict-compiling',
                 help='Compiling project with strict mode and ALL warning will be errors',
diff --git a/tools/vscpyocd.py b/tools/vscpyocd.py
new file mode 100644
index 0000000000..68126bab12
--- /dev/null
+++ b/tools/vscpyocd.py
@@ -0,0 +1,190 @@
+import os
+import sys
+import json
+
+def create_need_files(targetId, packpath):
+    """
+    Generate pyocd.yaml files
+    """
+    yaml_file = open('pyocd.yaml', 'w')
+    if yaml_file:
+        yaml_file.write('\npack:\n')
+        yaml_file.write('  - ' + packpath + '\n')
+        yaml_file.close()
+
+    """
+    Generate .vscode/launch.json files
+    """
+    vsc_launch_file = open('.vscode/launch.json', 'w')
+    if vsc_launch_file:
+        config_obj = {}
+        config_obj['name'] = 'Cortex Debug'
+        config_obj['cwd'] = '${workspaceFolder}'
+        config_obj['executable'] = 'rt-thread.elf'
+        config_obj['request'] = 'launch'
+        config_obj['type'] = 'cortex-debug'
+        config_obj['runToEntryPoint'] = 'Reset_Handler'
+        config_obj['servertype'] = 'pyocd'
+        if os.getenv('RTT_EXEC_PATH'):
+            config_obj['armToolchainPath'] = os.getenv('RTT_EXEC_PATH').replace('\\', '/')
+        else:
+            print('env <RTT_EXEC_PATH> not set!')
+        config_obj['toolchainPrefix'] = 'arm-none-eabi'
+        config_obj['targetId'] = targetId
+
+        json_obj = {}
+        json_obj['version'] = '0.2.0'
+        json_obj['configurations'] = [config_obj]
+        vsc_launch_file.write(json.dumps(json_obj, ensure_ascii=False, indent=4))
+        vsc_launch_file.close()
+
+    """
+    Generate .vscode/tasks.json files
+    """
+    vsc_tasks_file = open('.vscode/tasks.json', 'w')
+    if vsc_tasks_file:
+        task_build_obj = {}
+        task_build_obj['type'] = 'shell'
+        task_build_obj['label'] = 'Build target files'
+        task_build_obj['command'] = 'scons'
+        task_build_obj['args'] = ['-j12']
+        task_build_obj['problemMatcher'] = ['$gcc']
+        task_build_obj['group'] = 'build'
+
+        task_download_obj = {}
+        task_download_obj['type'] = 'shell'
+        task_download_obj['label'] = 'Download code to flash memory'
+        task_download_obj['command'] = 'python'
+        task_download_obj['args'] = ['-m', 'pyocd', 'flash', '--erase', 'chip', '--target', \
+                                    targetId, 'rt-thread.elf']
+        task_download_obj['problemMatcher'] = ['$gcc']
+        task_download_obj['group'] = 'build'
+
+        task_build_download_obj = task_download_obj.copy()
+        task_build_download_obj['label'] = 'Build and Download'
+        task_build_download_obj['dependsOn'] = 'Build target files'
+
+        json_obj = {}
+        json_obj['version'] = '2.0.0'
+        json_obj['tasks'] = [task_build_obj, task_download_obj, task_build_download_obj]
+        vsc_tasks_file.write(json.dumps(json_obj, ensure_ascii=False, indent=4))
+        vsc_tasks_file.close()
+
+def similar_char_num(str1, str2):
+    lstr1 = len(str1)
+    lstr2 = len(str2)
+    record = [[0 for i in range(lstr2+1)] for j in range(lstr1+1)]
+    similar_num = 0
+
+    for i in range(lstr1):
+        for j in range(lstr2):
+            if str1[i] == str2[j]:
+                record[i+1][j+1] = record[i][j] + 1
+                if record[i+1][j+1] > similar_num:
+                    similar_num = record[i+1][j+1]
+    return similar_num
+
+def get_socName_from_rtconfig():
+    socName = None
+    rtconfig_file = open('rtconfig.h', 'r')
+    if rtconfig_file:
+        for line in rtconfig_file.readlines():
+            if 'SOC' in line and 'FAMILY' not in line and 'SERIES' not in line:
+                socName = line.strip().split('_')[-1]
+        rtconfig_file.close()
+        return socName
+
+def get_pack_from_env():
+    if os.environ.get('ENV_ROOT') == None:
+        if sys.platform == 'win32':
+            home_dir = os.environ['USERPROFILE']
+            env_dir  = os.path.join(home_dir, '.env')
+        else:
+            home_dir = os.environ['HOME']
+            env_dir  = os.path.join(home_dir, '.env')
+    else:
+        env_dir =  os.environ.get('ENV_ROOT')
+
+    pack_dir = env_dir.replace('\\', '/') + '/tools/cmsisPacks/'
+
+    if not os.path.exists(pack_dir):
+        print('<%s> does not exist, please create.' % pack_dir)
+        return
+
+    # get soc name from <rtconfig.h> file
+    socName = get_socName_from_rtconfig()
+    if socName == None:
+        return
+
+    # Find the pack that best matches soc name
+    max_similar_num = 0
+    max_similar_pack = None
+    for file in os.listdir(pack_dir):
+        if str(file).endswith('.pack'):
+            similar_num = similar_char_num(socName, file)
+            if(similar_num > max_similar_num):
+                max_similar_num = similar_num
+                max_similar_pack = file
+    print('SOC<%s> match the pack is <%s>' % (socName, max_similar_pack))
+    if max_similar_pack == None:
+        return
+
+    return pack_dir + max_similar_pack
+
+def get_trgetId_from_pack(pack):
+    # get soc name from <rtconfig.h> file
+    socName = get_socName_from_rtconfig()
+    if socName == None:
+        return
+
+    # View the soc supported by the most similar cmsisPack
+    result = os.popen('python -m pyocd json --target --pack ' + pack)
+    pyocd_json = json.loads(result.read())
+    if pyocd_json['status'] != 0:
+        return
+
+    # Find the targetId that best matches soc name
+    max_similar_num = 0
+    max_similar_targetId = None
+    for target in pyocd_json['targets']:
+        if (target['source'] == 'pack'):
+            similar_num = similar_char_num(socName.lower(), target['name'])
+            if(similar_num > max_similar_num):
+                max_similar_num = similar_num
+                max_similar_targetId = target['name']
+    print('SOC<%s> match the targetId is <%s>' % (socName, max_similar_targetId))
+    if max_similar_targetId == None:
+        return
+    if max_similar_num < len(socName):
+        print('<%s> not match the <%s>' % (socName, pack))
+        return
+
+    return max_similar_targetId
+
+def GenerateVSCodePyocdConfig(pack):
+    if pack == 'env':
+        pack = get_pack_from_env()
+        if pack == None:
+            return
+    else:
+        # Check is exist
+        if not os.path.exists(pack):
+            return
+        # Check is file
+        if not os.path.isfile(pack):
+            return
+        # Check is pack
+        if not str(pack).endswith('.pack'):
+            return
+
+    pack = pack.replace('\\', '/')
+
+    targetId = get_trgetId_from_pack(pack)
+    if targetId ==None:
+        return
+
+    create_need_files(targetId, pack)
+    print('Pyocd Config Done!')
+
+    return
+