diff --git a/builder/alicloud/ecs/builder.go b/builder/alicloud/ecs/builder.go
index af339c718..46e6889fc 100644
--- a/builder/alicloud/ecs/builder.go
+++ b/builder/alicloud/ecs/builder.go
@@ -172,12 +172,15 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		})
 
 	if b.config.AlicloudImageIgnoreDataDisks {
-		steps = append(steps, &stepCreateAlicloudSnapshot{})
+		steps = append(steps, &stepCreateAlicloudSnapshot{
+			WaitSnapshotReadyTimeout: b.getSnapshotReadyTimeout(),
+		})
 	}
 
 	steps = append(steps,
 		&stepCreateAlicloudImage{
 			AlicloudImageIgnoreDataDisks: b.config.AlicloudImageIgnoreDataDisks,
+			WaitSnapshotReadyTimeout:     b.getSnapshotReadyTimeout(),
 		},
 		&stepCreateTags{
 			Tags: b.config.AlicloudImageTags,
@@ -253,3 +256,11 @@ func (b *Builder) isUserDataNeeded() bool {
 func (b *Builder) isKeyPairNeeded() bool {
 	return b.config.Comm.SSHKeyPairName != "" || b.config.Comm.SSHTemporaryKeyPairName != ""
 }
+
+func (b *Builder) getSnapshotReadyTimeout() int {
+	if b.config.WaitSnapshotReadyTimeout > 0 {
+		return b.config.WaitSnapshotReadyTimeout
+	}
+
+	return ALICLOUD_DEFAULT_LONG_TIMEOUT
+}
diff --git a/builder/alicloud/ecs/builder_test.go b/builder/alicloud/ecs/builder_test.go
index 153291f73..c6e54d793 100644
--- a/builder/alicloud/ecs/builder_test.go
+++ b/builder/alicloud/ecs/builder_test.go
@@ -195,3 +195,40 @@ func TestBuilderPrepare_IgnoreDataDisks(t *testing.T) {
 		t.Fatalf("image_ignore_data_disks is not set properly, expect: %t, actual: %t", true, b.config.AlicloudImageIgnoreDataDisks)
 	}
 }
+
+func TestBuilderPrepare_WaitSnapshotReadyTimeout(t *testing.T) {
+	var b Builder
+	config := testBuilderConfig()
+
+	warnings, err := b.Prepare(config)
+	if len(warnings) > 0 {
+		t.Fatalf("bad: %#v", warnings)
+	}
+	if err != nil {
+		t.Fatalf("should not have error: %s", err)
+	}
+
+	if b.config.WaitSnapshotReadyTimeout != 0 {
+		t.Fatalf("wait_snapshot_ready_timeout is not set properly, expect: %d, actual: %d", 0, b.config.WaitSnapshotReadyTimeout)
+	}
+	if b.getSnapshotReadyTimeout() != ALICLOUD_DEFAULT_LONG_TIMEOUT {
+		t.Fatalf("default timeout is not set properly, expect: %d, actual: %d", ALICLOUD_DEFAULT_LONG_TIMEOUT, b.getSnapshotReadyTimeout())
+	}
+
+	config["wait_snapshot_ready_timeout"] = ALICLOUD_DEFAULT_TIMEOUT
+	warnings, err = b.Prepare(config)
+	if len(warnings) > 0 {
+		t.Fatalf("bad: %#v", warnings)
+	}
+	if err != nil {
+		t.Fatalf("should not have error: %s", err)
+	}
+
+	if b.config.WaitSnapshotReadyTimeout != ALICLOUD_DEFAULT_TIMEOUT {
+		t.Fatalf("wait_snapshot_ready_timeout is not set properly, expect: %d, actual: %d", ALICLOUD_DEFAULT_TIMEOUT, b.config.WaitSnapshotReadyTimeout)
+	}
+
+	if b.getSnapshotReadyTimeout() != ALICLOUD_DEFAULT_TIMEOUT {
+		t.Fatalf("default timeout is not set properly, expect: %d, actual: %d", ALICLOUD_DEFAULT_TIMEOUT, b.getSnapshotReadyTimeout())
+	}
+}
diff --git a/builder/alicloud/ecs/run_config.go b/builder/alicloud/ecs/run_config.go
index aaab9f785..e36a33854 100644
--- a/builder/alicloud/ecs/run_config.go
+++ b/builder/alicloud/ecs/run_config.go
@@ -32,6 +32,7 @@ type RunConfig struct {
 	InstanceName             string `mapstructure:"instance_name"`
 	InternetChargeType       string `mapstructure:"internet_charge_type"`
 	InternetMaxBandwidthOut  int    `mapstructure:"internet_max_bandwidth_out"`
+	WaitSnapshotReadyTimeout int    `mapstructure:"wait_snapshot_ready_timeout"`
 
 	// Communicator settings
 	Comm         communicator.Config `mapstructure:",squash"`
diff --git a/builder/alicloud/ecs/step_create_image.go b/builder/alicloud/ecs/step_create_image.go
index fafb5819d..d80dca8ea 100644
--- a/builder/alicloud/ecs/step_create_image.go
+++ b/builder/alicloud/ecs/step_create_image.go
@@ -12,6 +12,7 @@ import (
 
 type stepCreateAlicloudImage struct {
 	AlicloudImageIgnoreDataDisks bool
+	WaitSnapshotReadyTimeout     int
 	image                        *ecs.ImageType
 }
 
@@ -49,8 +50,7 @@ func (s *stepCreateAlicloudImage) Run(_ context.Context, state multistep.StateBa
 		ui.Error(err.Error())
 		return multistep.ActionHalt
 	}
-	err = client.WaitForImageReady(common.Region(config.AlicloudRegion),
-		imageId, ALICLOUD_DEFAULT_LONG_TIMEOUT)
+	err = client.WaitForImageReady(common.Region(config.AlicloudRegion), imageId, s.WaitSnapshotReadyTimeout)
 	if err != nil {
 		err := fmt.Errorf("Timeout waiting for image to be created: %s", err)
 		state.Put("error", err)
diff --git a/builder/alicloud/ecs/step_create_snapshot.go b/builder/alicloud/ecs/step_create_snapshot.go
index 875db37b8..a9f5ae590 100644
--- a/builder/alicloud/ecs/step_create_snapshot.go
+++ b/builder/alicloud/ecs/step_create_snapshot.go
@@ -11,7 +11,8 @@ import (
 )
 
 type stepCreateAlicloudSnapshot struct {
-	snapshot *ecs.SnapshotType
+	snapshot                 *ecs.SnapshotType
+	WaitSnapshotReadyTimeout int
 }
 
 func (s *stepCreateAlicloudSnapshot) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
@@ -44,8 +45,7 @@ func (s *stepCreateAlicloudSnapshot) Run(_ context.Context, state multistep.Stat
 		return halt(state, err, "Error creating snapshot")
 	}
 
-	err = client.WaitForSnapShotReady(common.Region(config.AlicloudRegion),
-		snapshotId, ALICLOUD_DEFAULT_LONG_TIMEOUT)
+	err = client.WaitForSnapShotReady(common.Region(config.AlicloudRegion), snapshotId, s.WaitSnapshotReadyTimeout)
 	if err != nil {
 		return halt(state, err, "Timeout waiting for snapshot to be created")
 	}
diff --git a/website/source/docs/builders/alicloud-ecs.html.md b/website/source/docs/builders/alicloud-ecs.html.md
index 10766bb76..0c743ca4b 100644
--- a/website/source/docs/builders/alicloud-ecs.html.md
+++ b/website/source/docs/builders/alicloud-ecs.html.md
@@ -153,6 +153,10 @@ builder.
     any circumstance that default data disks with instance types are not concerned. 
     The default value is false.
 
+-   `wait_snapshot_ready_timeout`(number) - Timeout of creating snapshot(s). The 
+    default timeout is 3600 seconds if this option is not set or is set to 0. For 
+    those disks containing lots of data, it may require a higher timeout value.
+
 -   `image_force_delete` (boolean) - If this value is true, when the target
     image name is duplicated with an existing image, it will delete the
     existing image and then create the target image, otherwise, the creation