There is a certain reduction of spleen deficiency and phlegm-dampness from the incipient grains. Rescuing grains is a Taoist method of cultivating the qi by reducing the diet or the number of grains in the diet. Phlegm-dampness is the accumulation of garbage in the spleen and stomach’s ability to digest and transport. In Chinese medicine, it is called phlegm-drink accumulation, and if the water component is high, it may also be called dampness or water-drink accumulation. You can reduce phlegm-dampness by strengthening the spleen. In addition, by reducing the diet and stomach spleen qi digestion, you can also reduce qi consumption. So there is a role for the Valley, but after all, it is a kind of Taoist cultivation kung fu, there needs to be some specific ways and means, not everyone can do it by themselves, so do not take the liberty to operate.