Drink a glass of warm water on an empty stomach after getting up in the morning and eat an apple half an hour before breakfast. Have a cup of sago sugar-free oatmeal (or sugar-free soybean milk), a corn (or two pieces of whole wheat bread) for breakfast. When you eat at noon, you must chew slowly. Drink a cup of Pu 'er tea half an hour after dinner. Eat an apple and a cup of sugar-free oatmeal (or two pieces of whole wheat bread) in the evening. Eat fruits when you are hungry, such as tomatoes, bananas, oranges … and don't sit if you can stand, don't eat after eight o'clock in the evening, and don't drink water after nine o'clock.