Now there are many more fat children on the street than before, many children now live a privileged life, eat more and more fine, there are also many grandparents hold on to the old ideas, give the child too much food, afraid that the child is too thin not strong, so many children are overweight at a young age, but such children are not healthy at all, are “false strong”. And research shows that the fat children now face very serious health problems, they are less resistant, more likely to appear some metabolic diseases, including sleep apnea syndrome, fatty liver, cardiopulmonary dysfunction, etc., in the long run will affect his growth and development, and even reduce life expectancy. Compared to adults, children’s obesity is more dangerous. At present, some parents have realized the seriousness of obesity in children, but it is difficult for children to cooperate with weight loss, so they think of weight loss surgery, and want to know if weight loss surgery is something that children can also do? In 2018 the American Society of Bariatric Metabolic Surgeons (the world’s leading authority on bariatric metabolic surgery) officially released a bariatric surgery guideline for adolescent obesity, officially allowing the age limit for bariatric surgery to be lowered from 16 to 10 years old, while requiring the following conditions: 1, conservative medical treatment for more than six months. 2, body mass index greater than 35 or more, the emergence of obesity-related co-morbidity, or body mass index greater than 40 or more, regardless of whether he is accompanied by obesity co-morbidity. 3.Excluding secondary obesity, all actively recommend bariatric surgery, and at the same time put forward higher requirements for postoperative health management, nutritional intervention and family support. For children’s obesity problem, every family, school and society should pay attention to it, do not let children be trapped by fat too early, if there is really no good way to lose weight, or has been fat to a certain extent, seriously affect health, is also possible to consider the way of weight loss metabolic surgery to treat.