First of all, strengthening exercise on weekdays can also reduce the fat on the stomach, because exercise can consume calories, decompose and discharge the fat in the subcutaneous tissue of the body through exercise and perspiration, and do dozens of sit-ups every day, and you can earn 30 to 100 hula hoops every day. These methods are very effective in losing weight, and can enhance physical fitness and make yourself less likely to get sick. Of course, there is a more relaxed and simple way to regulate body cold and dampness and dredge meridians, that is, thin waist and abdomen in traditional Chinese medicine. You can consult the ancient prescriptions of Han and Tang dynasties for plastic surgery. I hope my answer can help you solve your doubts.