Zhang Ling's factors were determined by Huang Lao's way. He soon abandoned his official position and hid in Beimang Mountain (now Luoyang North, Henan Province). Emperor Zhang and Emperor He refused to sign a letter. Later, he and disciple Wang Chang entered Poyang, Jiangxi Province from Huaihe River, and went to Yunjin Mountain (now Longhu Mountain) to make an alchemy for nine days. Three years later, the elixir became famous, hence the name of this mountain. It is said that the folk customs in Shu are simple and easy to be educated. I went to Shu and lived in a mountain monastery. In the first year of Han 'an (142), Taoism was founded on the basis of the doctrine of "righteousness, alliance and power" or "three righteousness, righteousness, one subject and law". Establish twenty-four treatments, and offer wine to the people. They don't like torture, treat people with shame, treat patients with water, and the people regard them as teachers.
Zhang Daoling respected Laozi as his ancestor, and wrote Laozi's Notes in Laozi's 5,000 Articles, expounding Taoist teachings, saying that "Tao" means "one", and "when it is scattered, it becomes qi, and when it is gathered, it becomes the old gentleman on the top". Take "Tao" as the highest belief. In the second year of Yongshou (156), with the help of Meng Wei, he paid all the money for Jpua's works and died with his wife Yong, at the age of 123. In the seventh year of Tang Tianbao, he was given the title of "Taishi", and in the fourth year of Nuo (884), he was given the title of "three-day teaching assistant exorcism". Song Lizong sealed "Zheng Yijing wants to show his blessing to the true king". Taoism respects ancestors and heavenly teachers, which is superior to the occult and protects the Tao and Buddha.