Weight management coach is to guide others to lose weight and do weight management. We mainly understand the user's physical condition (waist circumference, body fat rate, height and weight, disease history, family inheritance) to see whether it is really necessary to lose weight, and analyze the customer's physical indicators in combination with the physical examination report to see whether it is risky and suitable for the user to lose weight at this time, and then estimate how much he can lose weight in a cycle according to the customer's metabolism, and then comprehensively evaluate how much he can lose weight in a cycle, and then customize a suitable one for him. Make a nutritious diet according to this plan, and constantly adjust the plan according to the changes of various data and other health indicators during the fat reduction process. Finally, help him maintain his weight after losing weight. In short, it is to achieve safe fat reduction.