There are many ways to spread false information on social media to discredit public figures, and the following are common: 1. **Fake news**: Creating false news reports with fake sources and citations to increase credibility. 2. **Quoting out of context**: Quoting the speech or behavior of a public figure out of context, cutting off key context, thereby distorting its original meaning. 3. **Synthesizing images or videos**: Using image processing software or video editing technology to create false pictures or videos to fake inappropriate behavior or speech. 4. **Spreading rumors**: Spreading unverified information through social media platforms, sharing content with readers that seems credible but is actually a rumor. 5. **Using robot accounts**: Using robot (bot) accounts to share, comment on, and forward false information in large quantities to increase its exposure and create public opinion hotspots. 6. **Comment area manipulation**: Posting negative comments in the comment area of relevant posts to create a bad impression of the public about the person. 7. **Exploiting public sentiment**: Targeting specific events or social hotspots, exploiting public sentiment, creating resonance, and prompting more people to believe in false information. 8. **Falsifying identities**: Using fake public figures or celebrities to make false statements to increase the credibility of information. 9. **Selective sharing**: Selecting specific information to share and ignoring other contrary information to influence the audience's judgment. 10. **Inciting opposition**: By emphasizing the opposition between public figures and a certain group or values, arousing anger or antipathy among a specific group, and thus discrediting their image. The above methods all show the vulnerability of social media in information dissemination and the potential risks of information manipulation.