Yayun plastic surgery experts suggest that plastic surgery has developed very purely and the methods are very diverse. At present, the popular autologous fat transplantation can be used in various plastic surgery. The biggest advantage of autologous fat-rich chin is that it does not need to be cut, stitched or removed in the mouth, and there is no foreign body implanted in vitro, which is psychologically acceptable. 1. Introduction of permanent autogenous fat augmentation surgery: Extract fat from abdomen, thighs or buttocks, transplant pure fat tissue to other parts of the body, and improve the sunken position caused by congenital, trauma or aging. Second, the application of permanent autogenous fat augmentation surgery: short chin or depressed chin. Third, the duration of permanent autogenous fat augmentation surgery: about 1- 1.5 hours. Fourth, it takes time for permanent autologous fat to enrich the chin: 7- 14 days, and the effect is completely presented in about three months. Fifth, the permanent autologous fat chin may have sequelae: the transplanted fat will be absorbed by itself, and a second or third operation is needed to maintain the effect. The surgical wound is about 0.5cm, leaving almost no trace after healing. 6. Precautions/nursing precautions after permanent autologous fat breast augmentation: The postoperative wound pain lasted for 7- 10 days, and the swelling subsided within three to four weeks. Avoid wetting the wound to prevent inflammation.