People can eliminate double chins through physical exercise and medical aesthetics. 1. Exercise: If the double chin is caused by obesity, it is necessary for the crowd to develop a reasonable weight loss program to achieve the purpose of eliminating the double chin, such as running, swimming, yoga, playing Tai Chi, jumping exercise, playing badminton and so on. 2. Medical aesthetics: common clinical means of medical aesthetics are mandibular fat bag suction, mandibular fat bag excision, etc. Part of the population is also feasible to achieve the purpose of double chin by laser lipolysis, radiofrequency lipolysis, and local injection of lipolysis needle. It is recommended that people with double chins take appropriate improvement measures according to their actual situation. If you take the medical aesthetic way, you need to strengthen the local skin care after treatment, to avoid foreign body friction stimulation, to prevent the occurrence of infection.