diff --git a/src/main/java/com/codeages/escloud/service/SmsService.java b/src/main/java/com/codeages/escloud/service/SmsService.java
new file mode 100644
index 0000000..4d9b85d
--- /dev/null
+++ b/src/main/java/com/codeages/escloud/service/SmsService.java
@@ -0,0 +1,35 @@
+package com.codeages.escloud.service;
+
+import com.codeages.escloud.Auth;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URISyntaxException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class SmsService extends BaseService {
+    protected String host = "sms-service.qiqiuyun.net";
+
+    protected String[] leafHost = new String[]{"sms-service-leaf1.qiqiuyun.net", "sms-service-leaf2.qiqiuyun.net"};
+
+    public SmsService(Auth auth, Map<String, String> options) {
+        String host = options.put("host", this.host);
+        init(auth, options);
+    }
+
+    public String sendToOne(Map<String, String> params) throws UnsupportedEncodingException, URISyntaxException {
+        return this.request("POST", "/messages", params, new HashMap<>(), "root");
+    }
+
+    public String sendToMany(Map<String, String> params) throws UnsupportedEncodingException, URISyntaxException {
+        return this.request("POST", "/messages/batch_messages", params, new HashMap<>(), "root");
+    }
+
+    public String addSign(Map<String, String> params) throws UnsupportedEncodingException, URISyntaxException {
+        return this.request("POST", "/signs", params, new HashMap<>(), "root");
+    }
+
+    public String addTemplate(Map<String, String> params) throws UnsupportedEncodingException, URISyntaxException {
+        return this.request("POST", "/templates", params, new HashMap<>(), "root");
+    }
+}
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