Square face is mostly related to congenital heredity, or caused by enlarged biting muscle. Square face is not a disease and usually does not need treatment. If you have aesthetic needs, you can use facial plastic surgery, injectable fillers and face slimming injections to improve your face. 1. Facial plastic surgery: such as osteotomy, bone surgery, etc., is suitable to improve the square face caused by congenital large bone structure and wide jawbone deformity. 2. Injectable fillers: If there are symptoms of sunken temples or cheeks in a square face, you can fill in autologous fat or hyaluronic acid at the temples or cheeks to make the facial contour round and full, which helps to improve the square face. 3. Injections: For square faces caused by enlarged biting muscles, injections can be given to slim down the biting muscles, and the contour of the face will also change. Square face with which specific improvement method should be decided by the doctor, it is recommended that the applicant, should first go to a regular hospital.