) breathe, get rid of the old and get new.
Just to make a living. "It means to spit out the polluted air and bring it into the body to make the air clear, so as to achieve the purpose of self-cultivation and longevity. Specifically speaking, exhaling is a gas refining technique in Qigong, that is, breathing. The key to practicing breathing by exhaling is that the gas is injected into the abdomen when inhaling, and the gas is led to the top of the head when exhaling, which can absorb the vitality and expel the dead and sick gas, thus improving the human potential. There are many ways to breathe, which can be divided into dynamic and static categories. Among them, the more popular breathing methods and breathing practice methods are: six-character qi formula, holding baby's breath method and He Xiangu holding baby's breath method. Fetal interest is the highest state of breathing and practicing interest. In "Holding Puzi to Relieve Depression", it is said: "Those who get fetal interest should not breathe through their noses, such as in the womb", and those who practice to the extreme, such as the fetus in the mother's abdomen, have no breath in and out of the nose.