2, in general, the Valley diet in the first three days is not allowed to eat any food, only to drink raw water, at least to ensure that at least eight hundred milliliters of water per day, and then after three days you can eat some vegetables and fruits, long time persistence in order to see the effect of the Valley, but for some of the obese people, is not suitable for complete hunger strike, this time you can properly eat some of the thin porridge, vegetables or fruits to meet their basic nutritional needs.