diff --git a/lib/trade.js b/lib/trade.js
index 44f7f5e..61c0108 100644
--- a/lib/trade.js
+++ b/lib/trade.js
@@ -256,6 +256,13 @@ Trade.addMargin = async function (params) {
   return result.data
 }
 
+Trade.withdrawMargin = async function (params) {
+  let endpoint = '/api/v1/margin/withdrawMargin'
+  let url = this.baseURL + endpoint
+  let result = await axios.post(url, params, this.sign(endpoint, 'POST', params))
+  return result.data
+}
+
 /* 
   Get V1 Historical Orders List
   GET /api/v1/funding-history