What is the act of posting insulting words?

Legal analysis: Posting slogans that attack others in public places has violated the provisions of Article 42 of the "Public Security Administration Punishment Law" and is suspected of defaming or openly insulting others. The parties concerned can report the case and request the public security organs File a case for investigation.

Legal basis: Article 42 of the "Public Security Administration Punishment Law of the People's Republic of China" Whoever commits any of the following acts shall be detained for not more than five days or fined not more than 500 yuan; if the circumstances are more serious, , shall be detained for not less than five days but not more than ten days, and may also be fined not more than five hundred yuan: (2) Those who openly insult others or fabricate facts to slander others.