The chin can be reshaped, chin surgery is divided into two categories: one, so that the chin lengthened to increase the content of the lower half of the tissue, common in the use of prosthetic chin or microplastic injection, injection of a variety of materials, such as hyaluronic acid, autologous fat or collagen, etc. can make the chin tissue to fill. Second, shorten the chin, common in congenital development, skeletal development deformities lead to chin too long, to the overall facial aesthetics of the serious impact, then only through plastic surgery to grind off the excess bone or thwart or even cut off, by reducing the tissue content of the chin to achieve the perfect aesthetic standards. The degree of damage to the chin differs between the two procedures, with injections causing the least damage and bone cutting or grinding causing the most damage, so different procedures require different recovery times to achieve the best post-operative results.