1, don't eat anything for the first three days, drink plain water every day, drink slowly in small cups, and drink more than 800ml a day. After 3 days, if you feel that you can continue to insist, you can eat some low-sugar fruits and vegetables, such as apples, pitaya, kiwifruit, tomatoes, cucumbers and so on. , each time 100g or less. It is best to eat nothing, but you must drink more than 800ml of water every day.

2. formally eat some porridge, vegetable soup, fruits and vegetables and other foods, mainly for people who are not suitable for completely eating cereals, such as fat people.

(1) porridge: 20-50g of rice, or millet, corn, wheat, barley, etc. And add a proper amount of vegetables to cook porridge, only drink 1 bowl each time, twice a day. Eating less calories in porridge is also healthy.

(2) Health tea: it is made of tea, flowers and fruits, which is different from ordinary tea and traditional Chinese medicine. However, it has the dual functions of drinking tea and preserving health, and can be properly drunk.

(3) Do not eat any processed food. Don't eat steamed, boiled, fried or pickled food. Wash with clear water and tear into pieces to eat. Don't eat grain, meat or fish. You can eat vegetables, fruits and nuts.