Double chin is mostly formed by fat accumulation, skin laxity and sagging, heredity and other factors, want to make the double chin disappear, you can lose weight, local massage or use of medical cosmetic technology. 1. Fat accumulation: double chin due to the formation of facial fat accumulation, you can consider losing weight, daily attention to three meals a day diet, control dietary calories and fat intake, every day adhere to the exercise, and slowly thin down, the face of the double chin looks will disappear. 2. Loose and sagging skin: double chin may be related to facial skin laxity and sagging, which is caused by aging. It is recommended to massage the skin of the face properly to stop the skin from sagging. If the skin is already sagging and loose, you can consider using gold micro-needling, electroporation and other techniques to improve. 3. Heredity: Double chin may be caused by congenital heredity, then you can consider using localized fat suction to thin the fat pads inside the double chin to help the double chin disappear. Candidates with double chin can try to improve it by themselves, but if you want to use medical technology to make double chin disappear, it is recommended to go to a regular hospital for treatment.