Qi, also known as the vitality of human body, is the motive force of life activities, and the innate essence is the qi of life. It is a combination of innate qi and acquired qi. Daoism calls it "Qi acquired through lifelong double cultivation". They complement each other and can be cultivated into Qigong. Su Wen on ancient innocence: "I am indifferent to nothingness, and my true spirit follows;" Put your mind inside and you will be safe? " Wei's Truth Table of Emperor He Yuanyuan: "When I heard about the immortal ancestors, I was really angry that saints were born and auspicious lights filled the room." "The History of Su Song Emperor Zongshen": "Those who are not good at keeping in good health, those who are cautious and slow down on medicine, those who are tired of medicine and use inferior products, and those who are angry and help aphrodisiac, are dying. "Ming? Chen Ruyuan? " "Jin Ping Mei Ji in the Suburb": "Samadhi is full of qi, and every attempt is exhausted. "