Don't eat for three days before crossing the valley, just drink water, and drink at least 800 ml of small cups every day, which is helpful for intestinal detoxification. After three days, you can eat some fruits, vegetables, porridge, vegetable soup and other foods regularly. The intake must be controlled well, and it is advisable not to exceed100g at a time. In addition, you can also drink some scented tea, which can adjust your body function while losing weight.

You can eat from the valley.

Drink several cups of chrysanthemum tea or boiled water on the first day, continue to drink chrysanthemum tea or boiled water on the second and third days, drink boiled water on the fourth day and eat an apple or a cucumber. On the fifth day, drink scented tea and eat a tomato or some fresh dates. On the sixth day, drink mung bean soup and eat an apple. On the seventh day, drink vegetable soup and eat a tomato.

In the formal stage, you can eat a certain amount of porridge, vegetable soup, peanuts, vegetables, fruits and other foods. Mainly used for people who are not suitable for completely avoiding grain, such as obese people. Incomplete crossing the valley can be used as a means to improve physical fitness and can be done at home under the proper guidance of teachers.