According to relevant laws and regulations, advertisements should be true and legal, and the contents of advertisements should be expressed in a healthy way. Advertisements shall not contain false or misleading contents, and shall not deceive or mislead consumers. Advertisers should be responsible for the authenticity of advertising content. Generally speaking, it is difficult to say that well-known is true, and it is suspected of misleading consumers. As we all know, it is an extreme word and is generally not allowed to be used.