Ultrasonic lipolysis for back slimming is to rupture and dissolve the fat cells through its mechanical and thermal effects of destroying the fat cell membranes, and at the same time, super swelling fluid is injected in order to reduce the number of fat cells in the back in a lasting way and realize a lasting shaping effect. The procedure is relatively safe, but inevitably there are side effects such as mild edema, ecchymosis and dullness of tactile sensation in most patients during the postoperative recovery period. Edema and ecchymosis usually subside within 2-4 weeks, and mild tenderness usually subsides within 1-2 weeks. However, if the operation is not done properly, it can lead to localized bumpiness, skin necrosis and scarring. It is recommended that patients should choose regular plastic surgery institutions to seek medical treatment, standardized surgical operation, can effectively prevent the occurrence of complications. In addition, the advantages of ultrasonic lipolysis shoulder slimming surgery are obvious, the procedure is a non-invasive treatment, do as you go, and the recovery period is shorter, less damage to the body, does not affect work and life. However, the disadvantage is that it requires several courses of treatment to achieve satisfactory results, and the treatment is limited to a limited number of people, and is not effective for muscular shoulders. Special attention should be paid to the fact that women who are pregnant or breastfeeding are not suitable for this surgery, and the details of the specific surgery should be taken into account in consulting with professional and regular medical beauty institutions.