diff --git a/aliyun/log/__init__.py b/aliyun/log/__init__.py
index a68ab84f..9391c536 100755
--- a/aliyun/log/__init__.py
+++ b/aliyun/log/__init__.py
@@ -13,7 +13,8 @@
 from .version import __version__
 from .logitem import LogItem
 from .consumer_group_request import *
-from .external_store_config import * 
+from .external_store_config import *
+from .session import Session
 
 # response class
 from .consumer_group_response import *
diff --git a/aliyun/log/logclient.py b/aliyun/log/logclient.py
index f09aedf5..eebbdceb 100644
--- a/aliyun/log/logclient.py
+++ b/aliyun/log/logclient.py
@@ -152,7 +152,7 @@ class LogClient(object):
     Version = __version__
 
     def __init__(self, endpoint, accessKeyId, accessKey, securityToken=None, source=None,
-                 auth_version=AUTH_VERSION_1, region=''):
+                 auth_version=AUTH_VERSION_1, region='', session=None):
         self._isRowIp = Util.is_row_ip(endpoint)
         self._setendpoint(endpoint)
         self._accessKeyId = accessKeyId
@@ -170,6 +170,7 @@ def __init__(self, endpoint, accessKeyId, accessKey, securityToken=None, source=
         self._auth_version = auth_version
         self._region = region
         self._auth = make_auth(accessKeyId, accessKey, auth_version, region)
+        self._session = session
 
     def _replace_credentials(self):
         delta = time.time() - self._last_refresh
@@ -254,7 +255,17 @@ def _loadJson(resp_status, resp_header, resp_body, requestId):
     def _getHttpResponse(self, method, url, params, body, headers):  # ensure method, url, body is str
         try:
             headers['User-Agent'] = self._user_agent
-            r = getattr(requests, method.lower())(url, params=params, data=body, headers=headers, timeout=self._timeout)
+            if self._session is not None:
+                r = self._session.do_request(
+                    method.lower(),
+                    url=url,
+                    params=params,
+                    data=body,
+                    headers=headers,
+                    timeout=self._timeout)
+            else:
+                r = getattr(requests, method.lower())(url, params=params, data=body,
+                                                      headers=headers, timeout=self._timeout)
             return r.status_code, r.content, r.headers
         except Exception as ex:
             raise LogException('LogRequestError', str(ex))
diff --git a/aliyun/log/session.py b/aliyun/log/session.py
new file mode 100644
index 00000000..c022398b
--- /dev/null
+++ b/aliyun/log/session.py
@@ -0,0 +1,28 @@
+import requests
+
+#: 每个Session连接池大小
+connection_pool_size = 10
+
+
+class Session(object):
+    """属于同一个Session的请求共享一组连接池，如有可能也会重用HTTP连接。"""
+
+    def __init__(self, pool_size=None, adapter=None):
+        self.session = requests.Session()
+
+        psize = pool_size or connection_pool_size
+        if adapter is None:
+            self.session.mount('http://', requests.adapters.HTTPAdapter(pool_connections=psize, pool_maxsize=psize))
+            self.session.mount('https://', requests.adapters.HTTPAdapter(pool_connections=psize, pool_maxsize=psize))
+        else:
+            self.session.mount('http://', adapter)
+            self.session.mount('https://', adapter)
+
+    def do_request(self, method, url, params, data, headers, timeout):
+        return self.session.request(method,
+                                    url,
+                                    data=data,
+                                    params=params,
+                                    headers=headers,
+                                    stream=True,
+                                    timeout=timeout)
diff --git a/tests/set_tls_version.py b/tests/set_tls_version.py
new file mode 100644
index 00000000..72f31ccf
--- /dev/null
+++ b/tests/set_tls_version.py
@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+import os
+import ssl
+from aliyun import log
+from requests.adapters import HTTPAdapter
+
+access_key_id = os.getenv('LOG_TEST_ACCESS_KEY_ID', '<你的AccessKeyId>')
+access_key_secret = os.getenv('LOG_TEST_ACCESS_KEY_SECRET', '<你的AccessKeySecret>')
+project_name = os.getenv('LOG_TEST_PROJECT', '<你的Project>')
+endpoint = os.getenv('LOG_TEST_ENDPOINT', '<你的访问域名>')
+
+# 确认上面的参数都填写正确了
+for param in (access_key_id, access_key_secret, project_name, endpoint):
+    assert '<' not in param, '请设置参数：' + param
+
+
+# 自定义ssl adapter，这里仅以设置ssl_version为例说明
+class SSLAdapter(HTTPAdapter):
+    def init_poolmanager(self, *args, **kwargs):
+        kwargs["ssl_version"] = ssl.PROTOCOL_TLSv1_2
+        return super().init_poolmanager(*args, **kwargs)
+
+
+# 创建session对象，通过session自定义adapter
+session = log.Session(adapter=SSLAdapter())
+
+client = log.LogClient(endpoint, access_key_id, access_key_secret, session=session)
+client.create_project(project_name, "hello")