Many people say they have low self-esteem because of obesity, because of the figure and not confident, obesity on the psychological harm is certainly there. But for young people who are still developing mentally, this psychological harm is even more than adults. If parents do not take the initiative to understand the mental health of their children, the light will form a generation gap, or lead to a lifetime of children blinded by the psychological shadow. Teenagers feel dissatisfied with themselves, and 12% believe that their greatest wish for the future is to lose weight. Fifty-two percent of obese adolescents feel dissatisfied with themselves, 56% feel low self-esteem, 29% have varying degrees of school aversion, and 14% have social fears. There is also a relationship between adolescent suicide rate and obesity. In their immature stage of mind, self-esteem and the sense of being recognized by others is very important, and at this time the heart is relatively poor stress resistance, once the situation is hurt by the surrounding people will be very easy to go to extremes. In this case, if only affect the study is also the best result. Therefore, for obese teenagers, parental support and encouragement is the most powerful force behind. Of course, “heart disease needs heart medicine”. Although pure encouragement can prevent obese teenagers from going to extremes, but the harm of obesity to the body is always there, the obese body will always make the child’s heart. At this point, weight loss is the best treatment. And weight loss surgery can make teenagers lose weight without affecting their studies too much at the same time, with good weight loss effect, fast recovery after surgery and low rebound rate of obesity.