Is it illegal to send spam messages? What is the law?

Violation of China's Constitution, Criminal Law, General Principles of Civil Law, Public Security Administration Punishment Law, Consumer Rights Protection Law, Advertising Law, Product Quality Law, Telecommunications Regulations, Notice of the Ministry of Information Industry (now the Ministry of Industry and Information Technology) on standardizing short message service and Notice of the Ministry of Public Security on further strengthening the governance of bad information dissemination in mobile communication networks.

Article 57 of the Telecommunications Regulations stipulates that no organization or individual may use the telecommunications network to produce, copy, publish or disseminate information containing content that spreads obscenity, pornography, gambling, violence, murder, terror or abets crime, insults or slanders others and infringes on their legitimate rights and interests; Article 67 Anyone who violates the provisions of Article 57 of these regulations and constitutes a crime shall be investigated for criminal responsibility according to law; If it does not constitute a crime, it shall be punished by the public security organ and the state security organ in accordance with the provisions of relevant laws and administrative regulations.

Article 42 of the Law on Public Security Administration Punishment stipulates that anyone who repeatedly sends obscene, insulting, intimidating or other information and interferes with the normal life of others shall be detained for not more than five days or fined not more than 500 yuan; If the circumstances are serious, they shall be detained for not less than five days but not more than ten days, and may also be fined not more than 500 yuan.