2. In terms of diet, three meals should be regularly quantified. Don't overeat, eat less greasy food with high sugar content, and eat more fresh vegetables and fruits, such as tomatoes, cucumbers, pitaya and kiwifruit. Most of these foods are rich in dietary fiber, which can promote intestinal peristalsis, thus achieving the function of thin belly. Drinking more honey lemonade will help digestion, and then it will also benefit thin belly.