Childhood obesity can be reduced by changing lifestyle, developing good eating habits and enhancing physical exercise. 1. Change lifestyle: usually to develop good habits, avoid staying up late. 2. Develop good eating habits: usually pay attention to eat some low-calorie food, try to avoid cold and greasy. Do not eat before going to sleep. 3. Enhance physical exercise: usually pay attention to appropriate exercise, if you eat without any exercise, excess fat will be hoarded in the body, over time will lead to obesity. Children’s obesity is a relatively common phenomenon. If excessive obesity may lead to low self-esteem, poor social adaptability and other problems. So parents usually must pay attention to, so as not to affect the child’s normal learning and life.