How to unload the time for healthy use of mobile phones?

First open the settings, then open the application, then open the rights management, then click on the three points in the upper right corner, click on the special access rights, find the penultimate access rights of the usage, click in, then click on the three points in the upper right corner, choose to display the system process, search for the healthy use of the mobile phone, and then close his rights access records, which can be completely closed, but you can't delete the previous records, and all the usage records that he can't record after closing.