diff --git a/README.md b/README.md
index 6fe7bc6..bce820e 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,10 @@
 * **_ext\_plugin\_thread\_count\_threshold_** : Thread Count의 임계치 - 기본 값은 0으로, 0일때 Thread Count의 임계치 초과 여부를 확인하지 않는다.
 * **_ext\_plugin\_slack\_xlog\_enabled_** : xlog message send (true / false) - default : false
 * **_ext_plugin_slack_object_alert_enabled_** : object active/dead alert (true / false) - default : false
-  
+* **_ext\_plugin\_ignore\_name_patterns_** : Alert 메시지 발송에서 제외할 NAME 패턴 목록 (',' 구분자 사용, * (wildcard) 사용 가능)
+* **_ext\_plugin\_ignore\_title_patterns_** : Alert 메시지 발송에서 제외할 TITLE 패턴 목록 (',' 구분자 사용, * (wildcard) 사용 가능)
+* **_ext\_plugin\_ignore\_message_patterns_** : Alert 메시지 발송에서 제외할 MESSAGE 패턴 목록 (',' 구분자 사용, * (wildcard) 사용 가능)
+
 * Example
 ```
 # External Interface (Slack)
@@ -44,6 +47,10 @@ ext_plugin_slack_object_alert_enabled=true
 ext_plugin_elapsed_time_threshold=5000
 ext_plugin_gc_time_threshold=5000
 ext_plugin_thread_count_threshold=300
+
+ext_plugin_ignore_name_patterns=myTomcat1
+ext_plugin_ignore_title_patterns=Elapsed,CONNECTION,activat*
+ext_plugin_ignore_message_patterns=*(/v1/common/user/testuser)*
 ```
 
 ### Dependencies
diff --git a/src/main/java/scouter/plugin/server/alert/slack/SlackPlugin.java b/src/main/java/scouter/plugin/server/alert/slack/SlackPlugin.java
index 4e41690..63068f9 100644
--- a/src/main/java/scouter/plugin/server/alert/slack/SlackPlugin.java
+++ b/src/main/java/scouter/plugin/server/alert/slack/SlackPlugin.java
@@ -67,6 +67,8 @@ public class SlackPlugin {
 	
     private static AtomicInteger ai = new AtomicInteger(0);
     private static List<Integer> javaeeObjHashList = new ArrayList<Integer>();
+	private static AlertPack lastPack;
+	private static long lastSentTimestamp;
 
     public SlackPlugin() {
     	groupConf = new MonitoringGroupConfigure(conf);
@@ -152,7 +154,51 @@ public void run(){
                 	msg = pack.message.substring(0, pack.message.indexOf("OBJECT") - 1);
                 }
 
-            	// Make message contents
+				try {
+					String ignoreNamePattern = conf.getValue("ext_plugin_ignore_name_patterns");
+					String ignoreTitlePattern = conf.getValue("ext_plugin_ignore_title_patterns");
+					String ignoreMessagePattern = conf.getValue("ext_plugin_ignore_message_patterns");
+
+					if (ignoreNamePattern != null && !"".equals(ignoreNamePattern)) {
+						for (String pattern : ignoreNamePattern.split(",")) {
+							if (name.matches(pattern.replaceAll("\\*", ".*"))) {
+								return;
+							}
+						}
+					}
+
+					if (ignoreTitlePattern != null && !"".equals(ignoreTitlePattern)) {
+						for (String pattern : ignoreTitlePattern.split(",")) {
+							if (title.matches(pattern.replaceAll("\\*", ".*"))) {
+								return;
+							}
+						}
+					}
+
+					if (ignoreMessagePattern != null && !"".equals(ignoreMessagePattern)) {
+						for (String pattern : ignoreMessagePattern.split(",")) {
+							if (msg.matches(pattern.replaceAll("\\*", ".*")
+									.replaceAll("\\(", "\\\\(").replaceAll("\\)", "\\\\)")
+									.replaceAll("\\[", "\\\\[").replaceAll("\\]", "\\\\]"))) {
+								return;
+							}
+						}
+					}
+
+					if (conf.getBoolean("ext_plugin_ignore_continuous_dup_alert", false) && lastPack != null) {
+						long diff = System.currentTimeMillis() - lastSentTimestamp;
+						if (lastPack.objHash == pack.objHash && lastPack.title.equals(pack.title) && diff < DateUtil.MILLIS_PER_HOUR) {
+							return;
+						}
+					}
+
+					lastPack = pack;
+				} catch (Exception e) {
+					// ignore
+					println("[Error] : " + e.getMessage());
+				}
+
+				// Make message contents
                 String contents = "[TYPE] : " + pack.objType.toUpperCase() + "\n" +
                                	  "[NAME] : " + name + "\n" +
                                   "[LEVEL] : " + AlertLevel.getName(pack.level) + "\n" +
@@ -191,7 +237,7 @@ public void run(){
                     e.printStackTrace();
             	}
 						}
-					}
+				}
 
 				}.start();
 			}