How to close Huawei's push service?

The notification steps for closing Huawei push service are as follows:

EMUI 4.0 and above platforms: press and hold the notification bar to enter the push service and turn off the notification authority. After it is closed, it can't be opened again.

* The pictures are for reference only, please refer to the actual interface.

EMUI 3. 1 and the following platforms: long press the notification bar to notify, click the application information to jump to the notification setting interface, and remove the "√" in front of the notification.

* The pictures are for reference only, please refer to the actual interface.