Huangdi Neijing advocates regulating qi to cure diseases and prolong life. The school that holds this view thinks that qi is the root and motive force of life, which is full of the whole body and ubiquitous, and has the effect of treating diseases and preventing diseases. Gasoline is very expensive in operation. Frequent ups and downs regulate the rise and fall of qi to maintain its normal function, which is enough to strengthen the body. The methods of regulating vitality include careful maintenance of shield, following the four seasons, quitting labor and avoiding escape. Adjust five flavors of diet, seven emotions, save words, learn to breathe, guide behavior and so on. By regulating Qi-flow, we can achieve health and longevity.