After investigation, at present, 11.2% of children aged 6 to 10 in some areas of Shanghai are malnourished, 20.9% are obese and 15.1% are overweight, that is to say, the rate of obesity and overweight has exceeded 1/3, and childhood obesity will bring a series of health problems, which needs to be paid attention to. Childhood obesity is a common nutritional disease, most of which is due to unreasonable diet and poor living habits leading to energy intake exceeding energy consumption, and excess energy is converted into fat accumulation in the body. Childhood obesity is divided into simple obesity and pathological obesity, 99% of childhood obesity belongs to simple obesity. Mild childhood obesity only shows that the weight is overweight, easy to be ignored by parents; medium to heavy obese children in addition to serious overweight, but also may occur in blood pressure, blood lipids, blood sugar increased.