The apple muscle is located in the area where the infraorbital and cheekbones are combined, and is a muscle tissue 2cm below the eyes, in the shape of an inverted triangle, also known as the smile muscle. As we age, the skin loses collagen, loses elasticity and muscle relaxation, the apple muscle starts to sag and even gradually disappears, the tear trough lines and decree lines also become deeper and deeper, the skin appears old. It is recommended to massage the face more often, keep smiling, and eat more collagen-rich food. If the sagging of the apple muscle is obvious, medical cosmetic treatments can also be taken to improve it. For example, hyaluronic acid in the form of filler, injected into the sagging after the formation of depressions, to supplement the skin nutrients, increase the elasticity of the skin, so that the apple muscle full of natural. Botox can be injected into the face, but there are certain side effects. It is also possible to perform autologous fat filling, which is to extract excess fat from thighs, waist and abdomen, purify it and fill it into the sunken parts of the apple muscle to achieve the effect of plumping up the apple muscle. If pure filling cannot get satisfactory results, it needs to be adjusted with face lift surgery, which can not only solve the sagging facial skin, muscles and tissues, but also promote collagen cell regeneration and delay facial aging. However, there are more ways of surgery, and the choice needs to be made according to the specific situation of the candidate.