First, you can consider opening a restaurant of the same type, and then beat your opponent through competition. This is the commercial competition law.

Second, if some illegal materials are added to the aftertaste chicken, or illegal raw materials such as dead chicken are used, that is to say, production and processing are illegal, you can report to the quality supervision, health and industry and commerce departments with evidence, and complain to the media after verification. This is the most popular now (if it is true, it is not illegal! )