Caused by muscle relaxation in the stomach wall. Sister Xiu often eats food that the public has never seen before. According to a search on the Guangming website, the reason why Sister Xiu can eat so well is because long-term overloading of diet will gradually relax the muscles of the stomach wall, and the internal capacity can reach 3000 ml, or even more. Sister Xiu is from Shuijiang, Nanchuan, Chongqing. She is a food writer who is often active on the Douyin short video platform. She has become popular because she often posts videos of food tours.