Recently, blogger @Zhan Meili ignited a craze for AI image expansion on the Douyin platform. Netizens have created a series of fun and interesting works through AI intelligent image expansion, blending character images with creative scenes, which has attracted widespread attention. Despite the significant attention it has garnered, AI image expansion still has limitations in generating image authenticity, possibly due to factors such as insufficient training data. As technology continues to advance in the future, these issues are expected to be resolved, enabling AI image expansion to leverage its advantages in a wider range of application scenarios.