If someone tries to spread false news on social media to discredit public figures, they may use the following methods： 1. **Fabricating false events**: Fabricating negative events that do not exist at all out of thin air, such as the illegal and criminal acts of fictitious public figures, moral corruption incidents, etc. 2. **Distorting facts**: Taking out of context and deliberately misinterpreting what really happened, misleading the public's understanding of the whole picture and true nature of the incident. 3. **Splicing, moving flowers and trees**: Improperly splicing clips, pictures, videos, etc. of different events to create false negative scenes. 4. **Use old news to stir-fry**: Wrap and render some normal experiences or events of public figures in the past, and re-throw them in a new sensational way to mislead the public into thinking that there are new problems. 5. **Concocting false evidence**: Falsifying so-called “evidence” such as chat records, documents, audio and video to support discrediting speech. 6. **Incite emotions and prejudices**: Use common public emotions, stereotypes or prejudices, such as hatred of the rich, negative views on specific occupations, etc., to guide public opinion in the direction of discrediting. 7. **Hire navy**: Organize a large number of accounts to systematically publish discrediting remarks, create a false atmosphere of public opinion, and create an illusion to the public that most people are accusing the public figure. 8. **Related to sensitive topics**: Forcibly associate public figures with current sensitive, hot and controversial topics, in an attempt to discredit them by using the heat of the topic. 9. **Use of poor information to mislead the public**: Use the professional knowledge of public figures in their fields and the poor information recognized by the public to fabricate plausible claims to mislead the public.