The lines may be caused by uneven distribution of fat, skin laxity, rich expression and other factors, usually can not be eliminated, can be improved by injectable filler method, surgical treatment, radiofrequency therapy and other ways. 1. Injectable filler method: patients can choose suitable filler materials according to their own conditions to improve the situation of the lines, commonly used filler materials are hyaluronic acid, collagen, autologous fat, etc.. 2. Surgical treatment: the downward displacement of the zygomatic fat pad can be improved by zygomatic fat pad lifting; the mechanical balance of the nasolabial folds can be rebuilt by burying the guide suture; the sagging fat tissue can be removed by the nasolabial fold leveling with the method of suction and disconnection. 3. Radiofrequency therapy: It can also promote the regeneration and reorganization of collagen fibers and elastic fibers through high-frequency electromagnetic waves, which can tighten the skin, thus reducing the legal lines. It is recommended that patients choose the appropriate treatment under the guidance of a physician.