Decree lines are two lines extending down both sides of the nose, which can be lightened by injectable fillers, surgery, radiofrequency and other methods according to the specific symptoms and needs of patients, so there is no simplest way. 1. Injectable filler: It is to improve the lines by filling various materials, commonly used materials include hyaluronic acid, poly-L-lactic acid, collagen, autologous fat, etc., and the appropriate filler can be selected according to the specific conditions of the patient. 2. Surgery: Through surgical methods, to change, restore and rebuild certain aging anatomical structures of the face, so as to realize the purpose of removing the lines. Such as zygomatic fat pad lifting, embedded guide suture, suction disengagement method nasolabial folds leveling, etc., can play a role in lightening and improving the role of the decree lines. 3. Radiofrequency: radiofrequency is to emit high-frequency electromagnetic waves on the dermis, using high-frequency electric field of heat conduction, prompting the dermis collagen fibers are heated to promote regeneration and reorganization of collagen fibers and elastic fibers, so as to achieve the role of skin tightening. So once the decree lines appear, according to their own situation, under the guidance of the doctor to choose the appropriate method to lighten.