In this case, chin augmentation can be used to improve the phenomenon of short chin. The most suitable method for your chin augmentation is to use prosthesis chin augmentation, which can be done with dilator or silicone material. Both materials are better. The prosthesis used for chin augmentation has a very good plastic shape and can maintain a lifelong effect. You can stay in your body for life without taking it out to replace it. In view of your situation, it is best to have liposuction on both chins at the same time. The postoperative effect will be better. It is most important to choose a professional doctor who is good at this surgical project. You can look at the contrast photos of the surgical cases that doctors have done, understand the skills of doctors, and then make a choice.