At present, liposuction methods include vibration liposuction, negative pressure liposuction, electronic liposuction and ultrasonic liposuction. But at present, the most popular liposuction method with ideal effect is hydraulic liposuction. Hydroliposuction is to make a small incision in the skin by using a very advanced hydroliposuction therapeutic instrument, and then go deep into the subcutaneous fat layer through the incision. After the fat expands, it can be sucked by negative pressure and sucked out through the catheter, which can achieve the purpose of losing weight well and has a very good shaping effect. The effect of hydraulic liposuction is very obvious and the safety is particularly high. Pay attention to the nursing of incision in recovery period to avoid infection.