The right way for obese children to lose weight includes rationalizing their daily diet, adhering to sports and exercise, as well as living a regular lifestyle. It is recommended that children should lose weight to ensure their health, and avoid blindly adopting undesirable weight loss methods. When a child’s BMI value in the same sex, the same age group exceeds > P95 for obesity; or height (long) weight in the same sex, the same age group exceeds > P97 for obesity. The following ways can be taken to reduce weight: 1. Reasonable arrangement of daily diet: It is recommended that children should reasonably arrange their daily nutritional intake during the weight loss period, take light diet as the main focus, eat fresh vegetables and fruits appropriately, avoid eating high-calorie foods such as deep-fried oil, seven or eight minutes of satiety per meal is appropriate, and drink plenty of warm water to promote metabolism, which will help metabolize the fat content in the body; 2. Adhere to exercise: It is recommended that children should develop a good habit of exercise, at least half an hour a day, mainly aerobic exercise, such as jogging, jumping rope, swimming and climbing, etc., which can help to lose weight; 3. Regular work and rest: children’s daily routine should be regular, avoid staying up late, and ensure sufficient sleep, which can help promote weight loss. It is recommended that children lose weight in a healthy manner to avoid extreme dieting or oral administration of harmful substances that may damage their health.