A, diet 1, eat fast easy to gain weight. The average person will feel full only after about 20 minutes of eating, eat too fast children have unknowingly eaten more before they feel full. 2, before the meal can drink some light soup, with a small bowl of rice, meat and vegetables, increase the coarse fiber food, diet is not too fine, can eat some large volume easy to have a sense of satiety and low calorie content of vegetables, such as lettuce, cucumber, bamboo, winter melon, radish, etc.. 3, avoid snacks, such as very high calorie chips, chocolate, cookies, etc. Eat less candy, cream and other sweets and fried foods. Drink less drinks, on the one hand, drinks contain more sugar, on the other hand, some additives are not good for children. 4, change bad habits: meat, sweet tooth, eat too fast, eat not move, long time sitting still, watching TV while eating snacks, irregular diet, often high-calorie foreign fast food as the main food. Second, exercise adhere to a medium amount of aerobic exercise, such as running, brisk walking, climbing, swimming, various ball games, jumping gymnastics, etc., and adhere to a half hour to an hour of exercise every day, the first can start with 15 minutes, and gradually increase the amount of exercise and exercise time, so that children have a process of adaptation. Parents can also accompany their children to exercise, on the one hand, exercise, on the other hand, also give children a role model and supervision. Note: You can have a scale at home, to fasting after excretion of urine and feces weight shall prevail, before and after the comparison, and strive to lose 1-2 pounds per week, such as children have progress, please give praise and encouragement to the child to improve the confidence of the child to lose weight.