The old topic was written by Shi Jianwu, a real person in Huayang. Shoulder my word Xi was born in Hongzhou. Tang Yuanhe was a scholar for ten years. Hiding in the western hills of Hongzhou, the good man thought the fairy had gone. This book quotes the language of sea toad. Cao Liu, a sea toad, was born in Yanshan of Liao Dynasty, and he lagged far behind me. Almost Jin and Yuan Daoliu also depend on it. His book has five volumes, each with five articles. Know, law, people, time and things; Health, shape, qi, heart and longevity; Yue tonifies the interior, qi, essence and loss; Really fire and water, true dragon and tiger, true elixir, true lead and mercury, true yin and yang; It is said that refining the law into the Tao, refining the shape into the gas, refining the gas into the spirit, refining the spirit into the Tao, and refining the Tao into the holy. Its main idea is based on supernatural powers, with Zhouyi as reference to medical classics. It's not ridiculous not to drown people's curtains and bait stones, to be calm, to be calm and to have a clean purpose.