Mild chin recession can be improved by hyaluronic acid injection and lipofilling, while severe cases need prosthesis implantation. 1. Hyaluronic acid injection, fat filling: for people with insignificant chin recession, hyaluronic acid injection and fat filling are generally recommended. Hyaluronic acid injection is to inject the hyaluronic acid that can be absorbed by the body into the chin area, and extend the chin through filling and shaping, but the effective time is short, only about 6~12 months; Lipo-filling is to extract the fat from your own abdomen, legs and other parts of the body, and then inject it into the chin area for filling after purification, and the effect of permanent improvement can be realized if it is successfully activated. 2. Prosthesis implantation: some patients with serious conditions and unsatisfactory results need prosthesis implantation, through the oral cavity, make small incisions in the skin, silicone, expandable and other materials into the jawbone area, can also improve the situation of chin retraction for a long time. There are many ways to improve chin retraction, so it is necessary to analyze various factors such as personal situation and needs, and make a suitable plan for yourself under the guidance of a doctor.