1, drink a glass of water before meals for half an hour! Remember to drink a glass of water or a bowl of soup before meals! Replenishing water will also make the stomach have a bottom first and bring a certain sense of fullness. 2, change eating habits, fresh fruit must be more delicious than any dried fruit; Eat salad with vinegar juice, not high-calorie sauce, especially don't eat more salad sauce, it's all oil! Do not eat starch when you want to eat meat; Eat more vegetables rich in cellulose and reduce the amount of staple food; Reward yourself with a good meal once in a while, but only occasionally.