diff --git a/gorush.go b/gorush.go
index a4ccaab..3bdaf46 100644
--- a/gorush.go
+++ b/gorush.go
@@ -114,5 +114,6 @@ func main() {
 	}
 
 	gorush.InitAPNSClient()
+	gorush.InitWorkers(gorush.PushConf.Core.WorkerNum, gorush.PushConf.Core.QueueNum)
 	gorush.RunHTTPServer()
 }
diff --git a/gorush/config.go b/gorush/config.go
index e78fd87..9298e34 100644
--- a/gorush/config.go
+++ b/gorush/config.go
@@ -3,6 +3,7 @@ package gorush
 import (
 	"gopkg.in/yaml.v2"
 	"io/ioutil"
+	"runtime"
 )
 
 // ConfYaml is config structure.
@@ -18,6 +19,8 @@ type ConfYaml struct {
 type SectionCore struct {
 	Port            string `yaml:"port"`
 	MaxNotification int    `yaml:"max_notification"`
+	WorkerNum       int    `yaml:"worker_num"`
+	QueueNum        int    `yaml:"queue_num"`
 	Mode            string `yaml:"mode"`
 	SSL             bool   `yaml:"ssl"`
 	CertPath        string `yaml:"cert_path"`
@@ -59,6 +62,8 @@ func BuildDefaultPushConf() ConfYaml {
 
 	// Core
 	conf.Core.Port = "8088"
+	conf.Core.WorkerNum = runtime.NumCPU()
+	conf.Core.QueueNum = 8192
 	conf.Core.Mode = "release"
 	conf.Core.SSL = false
 	conf.Core.CertPath = "cert.pem"
diff --git a/gorush/global.go b/gorush/global.go
index 1af3e26..7688bc4 100644
--- a/gorush/global.go
+++ b/gorush/global.go
@@ -9,6 +9,8 @@ import (
 var (
 	// PushConf is gorush config
 	PushConf ConfYaml
+	// QueueNotification is chan type
+	QueueNotification chan PushNotification
 	// CertificatePemIos is ios certificate file
 	CertificatePemIos tls.Certificate
 	// ApnsClient is apns client
diff --git a/gorush/notification.go b/gorush/notification.go
index 3a9ee9d..820e30d 100644
--- a/gorush/notification.go
+++ b/gorush/notification.go
@@ -121,8 +121,29 @@ func InitAPNSClient() error {
 	return nil
 }
 
-// SendNotification provide send all push request.
-func SendNotification(req RequestPush) int {
+// InitWorkers for initialize all workers.
+func InitWorkers(workerNum, queueNum int) {
+	LogAccess.Debug("worker number is ", workerNum, ", queue number is ", queueNum)
+	QueueNotification = make(chan PushNotification, queueNum)
+	for i := 0; i < workerNum; i++ {
+		go startWorker()
+	}
+}
+
+func startWorker() {
+	for {
+		notification := <-QueueNotification
+		switch notification.Platform {
+		case PlatFormIos:
+			PushToIOS(notification)
+		case PlatFormAndroid:
+			PushToAndroid(notification)
+		}
+	}
+}
+
+// queueNotification add notification to queue list.
+func queueNotification(req RequestPush) int {
 	var count int
 	for _, notification := range req.Notifications {
 		switch notification.Platform {
@@ -130,17 +151,14 @@ func SendNotification(req RequestPush) int {
 			if !PushConf.Ios.Enabled {
 				continue
 			}
-
-			count++
-			go PushToIOS(notification)
 		case PlatFormAndroid:
 			if !PushConf.Android.Enabled {
 				continue
 			}
-
-			count++
-			go PushToAndroid(notification)
 		}
+		QueueNotification <- notification
+
+		count++
 	}
 
 	return count
@@ -242,7 +260,7 @@ func GetIOSNotification(req PushNotification) *apns.Notification {
 }
 
 // PushToIOS provide send notification to APNs server.
-func PushToIOS(req PushNotification) bool {
+func PushToIOS(req PushNotification) {
 
 	notification := GetIOSNotification(req)
 
@@ -256,7 +274,7 @@ func PushToIOS(req PushNotification) bool {
 			// apns server error
 			LogPush(FailedPush, token, req, err)
 
-			return false
+			continue
 		}
 
 		if res.StatusCode != 200 {
@@ -264,15 +282,13 @@ func PushToIOS(req PushNotification) bool {
 			// ref: https://github.com/sideshow/apns2/blob/master/response.go#L14-L65
 			LogPush(FailedPush, token, req, errors.New(res.Reason))
 
-			return false
+			continue
 		}
 
 		if res.Sent() {
 			LogPush(SucceededPush, token, req, nil)
 		}
 	}
-
-	return true
 }
 
 // GetAndroidNotification use for define Android notificaiton.
diff --git a/gorush/notification_test.go b/gorush/notification_test.go
index fe199ce..70e7be6 100644
--- a/gorush/notification_test.go
+++ b/gorush/notification_test.go
@@ -229,8 +229,8 @@ func TestPushToIOS(t *testing.T) {
 		Message:  "Welcome",
 	}
 
-	success := PushToIOS(req)
-	assert.False(t, success)
+	PushToIOS(req)
+	// assert.False(t, success)
 }
 
 func TestPushToAndroidWrongAPIKey(t *testing.T) {
@@ -326,6 +326,8 @@ func TestOverwriteAndroidAPIKey(t *testing.T) {
 func TestSenMultipleNotifications(t *testing.T) {
 	PushConf = BuildDefaultPushConf()
 
+	InitWorkers(2, 2)
+
 	PushConf.Ios.Enabled = true
 	PushConf.Ios.PemKeyPath = "../certificate/certificate-valid.pem"
 	InitAPNSClient()
@@ -352,7 +354,7 @@ func TestSenMultipleNotifications(t *testing.T) {
 		},
 	}
 
-	count := SendNotification(req)
+	count := queueNotification(req)
 	assert.Equal(t, 2, count)
 }
 
@@ -385,7 +387,7 @@ func TestDisabledAndroidNotifications(t *testing.T) {
 		},
 	}
 
-	count := SendNotification(req)
+	count := queueNotification(req)
 	assert.Equal(t, 1, count)
 }
 
@@ -418,7 +420,7 @@ func TestDisabledIosNotifications(t *testing.T) {
 		},
 	}
 
-	count := SendNotification(req)
+	count := queueNotification(req)
 	assert.Equal(t, 1, count)
 }
 
diff --git a/gorush/server.go b/gorush/server.go
index d6eba77..3a41f84 100644
--- a/gorush/server.go
+++ b/gorush/server.go
@@ -47,8 +47,8 @@ func pushHandler(c *gin.Context) {
 		return
 	}
 
-	// process notification.
-	go SendNotification(form)
+	// queue notification.
+	go queueNotification(form)
 
 	c.JSON(http.StatusOK, gin.H{
 		"success": "ok",