Avoiding grain, also known as avoiding grain, breaking grain, stopping grain, etc. It means not eating whole grains, but eating gas and absorbing natural positive energy. It is a method of Taoist practice, which is now used to lose weight, preserve health and cure diseases. On the one hand, Taoism believes that people eat whole grains, and feces accumulate in the intestines to produce dirty gas; On the other hand, "Zhuangzi Xiaoyao Tour" describes the immortal behavior of not eating grains, absorbing wind and drinking dew, in order to achieve the goal of immortality. Nowadays, with the rising popularity of the valley, people have different opinions about the valley. In his book Begging for Valley Nature, Xinming Liu thinks that begging for valley is a method of keeping in good health with mental energy. Under the guidance of professional health care teachers, with the help of physical and mental exercises, we can start psychology to close the acquired feeding system of human body and open the innate feeding system of human body to adapt to physiological functions, make up physiological functions and coordinate and balance physiological functions. #39; The loss is enough to make up for the deficiency & more than enough; #39; . Make the body reach a healthy state of balance between yin and yang, regulate body and mind at the same time, and improve body immunity. So as to make the body and mind harmonious and natural, social harmony, family harmony and life harmony.