It is illegal to tamper with the national anthem. It is illegal to deliberately tamper with the lyrics and music scores of the national anthem in public places and sing it in a distorted or derogatory way. The public security organ may give a warning or detain it for up to fifteen days.

According to Article 15 of the National Anthem of the People's Republic of China Law, anyone who deliberately falsifies the lyrics and scores of the national anthem in public, plays the national anthem in a distorted or derogatory way, or insults the national anthem in other ways shall be given a warning by the public security organ or detained for less than 15 days; If a crime is constituted, criminal responsibility shall be investigated according to law.

Extended data:

Article 10 of the National Anthem of the People's Republic of China Law When playing the national anthem on the occasions specified in Article 4 of this Law, the standard score of the national anthem or the official recorded version of the national anthem shall be used. The Ministry of Foreign Affairs and diplomatic agencies abroad shall provide the diplomatic departments of relevant countries and relevant international organizations with the standard score of the national anthem and the official recorded version of the national anthem for diplomatic activities.

The sports administrative department of the State Council shall provide the national anthem standard score and official recorded version to the relevant international sports organizations and sports meeting organizers for the use of international sports meetings. The standard music score of the national anthem and the official recorded version of the national anthem are reviewed and recorded by the departments determined by the State Council, and published on the websites of China People's Congress and the Chinese government.

China Government Network-National Anthem of the People's Republic of China Law