The development of deep fake technology does bring new possibilities for creating realistic intimidation activities, which are mainly manifested in the following aspects: 1. **Fake video and audio**: Using deep fake technology, highly realistic video and audio clips can be generated to imitate the voice and appearance of specific people (such as public figures, political leaders or corporate executives). These fake materials can be used to spread false information and create tension and panic. 2. **Misleading information**: Through the spread of fake news or deep fake video and audio, malicious actors can create misleading information to influence public perception and behavior and cause social or political instability. 3. **Blackmail and reputation damage**: Malicious actors can generate false videos of misconduct and threaten victims to extort money, otherwise they will threaten to publish these fake videos to damage the reputation of the victims. 4. **Personalized intimidation**: Using personal public information and deep fake technology, intimidation materials can be customized for specific individuals, such as forging "evidence" of their presence in sensitive occasions or participation in criminal activities, in order to create psychological panic and pressure. To deal with this potential threat, technical and legal countermeasures are equally important. On the technical level, it is necessary to develop and apply more powerful detection tools to identify deep fake content; on the legal level, it is necessary to establish and improve relevant laws and regulations to constrain and punish the malicious use of these technologies. At the same time, improving the public's ability to identify media content and critical thinking will also help alleviate the threat posed by deep fake technology.