The appearance of double chin has nothing to do with age. Generally, double chin is the excess heat generated by the human body in the process of absorbing nutrition, which leads to the accumulation of fat on the face, which is generally manifested as baby fat and double chin. This requires us to control the intake of fat. Usually, if we want to lose weight, we must eat natural herbs to lose weight. There are many fat-reducing ingredients in it, and face-lifting is more effective. In addition, we must insist on physical exercise at ordinary times. We should also develop good eating habits, do aerobic exercise properly, and eat less junk food and high-calorie food. Of course, in order to be healthy, we should also appropriately reduce the daily total calorie intake and pay attention to a balanced diet with low fat, low salt and low sugar.