Article 20 of the National Flag Law of People's Republic of China (PRC) stipulates: "The national flag and its patterns shall not be used as trademarks, patterns granted patent rights or commercial advertisements, and shall not be used in inappropriate occasions such as private funeral activities." There is no rule that it cannot be used as a WeChat avatar. However, if the head of WeChat merchants is their own products, plus the national flag, it violates the regulations that the national flag cannot be used as a trademark and commercial advertisement, which may be suspected of breaking the law!
legal ground
Article 20 of the National Flag Law of People's Republic of China (PRC) shall not be used as a trademark, a patented design or a commercial advertisement, and shall not be used in inappropriate occasions such as private funeral activities. National Flag Law of People's Republic of China (PRC)