1, unrealistic weight loss goals: such as rapid weight loss, weight loss of more than 2kg in a month, because too rapid weight loss can damage the health of children. 2, unreasonable diet therapy such as: starvation therapy, etc. Children are a growing individual, excessive dieting will hinder the growth of children. 3.Infinitely increase the amount of exercise. Excessive exercise can cause damage to the bone marrow and cardiovascular of children. 4, unwilling to change diet, exercise and lifestyle habits, hoping to rely on drugs alone to lose weight. 5, blindly taking weight loss drugs, health products, etc. 6.Use of surgery and physical methods to remove fat without systematic treatment. Such as ultrasonic fat removal, etc. 7, the thinner the better is synonymous with beauty. This concept is extremely wrong. Should avoid excessive weight loss caused by malnutrition, anorexia. 8, avoid controlling weight when light and heavy. Because of the repeated rapid changes in weight damage to the blood vessels more serious than obesity.