Then increase the amount of exercise. You can try running, volleyball, badminton, swimming and other sports, not only to lose weight, but also to gain weight and strengthen your body. And don't eat after eight o'clock in the evening. You can change the diet structure appropriately. It is best to eat more dairy products, fruits and vegetables, or drink a bowl of soup before meals to avoid eating too much. Try to eat less oil and sweets. Meat can eat more fish, lean meat, beef, chicken and rabbit. . . . . . .