Censorship in China is when the government stops people from seeing, hearing, or reading things that the government doesn't like. It's like a grown-up trying to make sure nobody sees something they don't want them to see. In China, the government censors things they think could make people do something dangerous, say something bad about the country, or make people think differently than the government wants them to think. It usually means that websites, articles, and videos about certain topics can't be seen in China. Sometimes even books and pictures can't be seen. People have to be careful about what they say online because the government could shut down their social media or email accounts if they say something the government doesn't like.