1, fasting does not mean not eating, and low-calorie nutrient intake should be guaranteed when fasting;

2. Fasting should be combined with exercise, and less intense exercise such as walking can be carried out to avoid strenuous exercise;

3, fasting can not only consider calories without considering nutrition, the same is 500 calories, eating fruits and vegetables is more nutritious than drinking sugar water.

On the day of fasting, eat only fresh fruits and vegetables or fruit and vegetable juice.

If you want to eat hot food, you can eat boiled fruit and vegetable soup without oil and sugar, and porridge paste without oil. If you feel hungry, you can drink a small bowl of lotus root starch, miscellaneous grains paste, vegetable millet porridge and so on. But don't add salt and sugar.