Liposuction can be used to lose weight. At present, liposuction has become one of the most popular cosmetic surgery in the world and China. Liposuction is a plastic surgery technique to improve and beautify the body by extracting subcutaneous fat from the human body. The liposuction tube is inserted into the subcutaneous fat layer through a small incision in the skin, and the subcutaneous fat accumulated locally in the human body is removed by the suction of negative pressure, so as to achieve the purpose of losing weight and improving body shape.