In China's current laws and regulations, making, transporting, copying, selling, renting obscene books, pictures, films, audio-visual products and other obscene articles, or using computer information networks, telephones and other communication tools to spread obscene information and organize the broadcast of obscene audio-visual products all violate the Law on Public Security Administration Punishment.
However, the law does not explicitly stipulate the act of watching pornographic films. According to the principle of "no conviction without express provisions" in China's criminal law, it is not illegal to watch porn.
2. If you are watching pirated movies. In China, non-profit behaviors such as copying and dissemination do not constitute infringement. Most law enforcement departments may confiscate CDs, criticize education, etc.