Flat chest is not a disease, it is a type of thorax. It is possible to increase the chest muscles to be able to correct flat chest, if necessary, only choose medical beauty to improve. Flat chest is mainly caused by heredity and related to poor chest development, which will have a certain impact on the aesthetics of the chest. Currently there is no good way to correct flat chest, if you want to make the chest look full, you can do more exercise, push-ups, chest expansion exercises and swimming, etc., long-term persistence, can improve the appearance of the chest to a certain extent. However, some people alone exercise exercise, the effect of correction is not particularly ideal, if necessary, you can choose to improve the way of medical beauty, such as local injection of hyaluronic acid, do autologous fat filling, or breast implant surgery, can improve the aesthetic. It is recommended to choose a suitable way to correct flat chest according to personal situation. Normally, you can exercise properly, not only to improve the aesthetic appearance, but also to enhance physical fitness, conducive to their own health.