Early witchcraft and alchemists were not Taoism. And Taoism is not Taoism. Taoism didn't have a religious face until it established idols and specific rules and regulations in Shitian Road. Therefore, Taoism started from the end of Han Dynasty and the beginning of Jin Dynasty, among which witchcraft (chanting spells and drawing symbols to invite gods, etc.). ) and alchemists (alchemy and medication, etc. ) was introduced, the central idea of which was "the unity of man and nature", taking Taoism as the classic (Laozi as the moral truth, Zhuangzi as the southern town classics, etc. ), and with the concept of "three talents" of Yin and Yang-
As for why health preservation is advocated, it is based on the idea of "immortal" developed from "harmony between man and nature", which stresses health preservation, hygiene and evolution until immortality-this is because Mahayana thought in most religions is closely related to "eternity". Taoism is no exception, and the way for Taoism to achieve "eternity" is to be integrated with Taoism, and the first is to be integrated with heaven and earth, so it is necessary to be with heaven and earth, so it is necessary to maintain health and grasp the meaning of "Heaven is more precious than life".