The reason for double chin is mainly due to the accumulation of excess fat in the chin, in order to remove excess fat, there are three ways: First, massage, you can massage the fat on the chin for about 5 minutes, you can do it several times a day, the principle of the method is to promote local blood circulation, thus accelerating the decomposition of fat metabolism. But this approach is more time-consuming, the effect is not very precise; two, play lipolysis needle, the main ingredient is the fat can be dissolved drugs, these drugs will be injected into the fat in the chin, the fat can be gradually dissolved, and then discharged through the blood circulation; three, fiber optic lipolysis, is more popular in recent years the physical method, through the fixed-point photothermal dissolution of the fat will be destroyed, and then through the blood circulation out of the body. Fiber optic lipolysis and liposuction needles are both popular physical methods in recent years. Fiber optic lipolysis and lipolysis needle are both for point-to-point local fat increase removal methods, patients can be based on their own actual situation, and fully communicate with the doctor, and then choose the most suitable method to remove the double chin.