Most of the reasons for human obesity are due to excessive accumulation of fat, to lose excess fat, there are generally the following three methods, as follows: First, exercise, exercise can accelerate the blood circulation of the whole body, and at the same time can accelerate the decomposition and metabolism of fat, but this method is more time-consuming, and the effect is not very accurate. Second, liposuction surgery, also called liposuction, is a metal pipe with a negative pressure suction device attached to the back, inserting the pipe into the fat layer of the skin, mashing the fat and then sucking it out through the negative pressure suction, suitable for removing more fat parts, such as the buttocks, both sides of the thighs and so on. Liposuction can be performed up to 3000mL at a time, too much can easily lead to subcutaneous bruising or skin depression. Candidates can fully communicate with the doctor before surgery to choose the most suitable method for their fat removal.