2. Search for QQ growth guardian, and click Enter.
3. Click Help and select a health system. The so-called health system refers to a set of software built by Tencent in the game according to the relevant regulations of the state on the supervision of the game industry, that is, 1 hour for underage users under the age of 3, 2 1: 00 to 8: 00 the next day, and 2 hours for underage users over the age of 13.