Re: in the south mountain, the Taoist priest lived alone in the deep cave and tasted all kinds of grass.
"ten medicine and nine medicine" is a story of the Taoist family, and not to be a female hermit who has been admitted to the Dao by Wang Dao Chang. The climate in the southern part of the mountain is very cold and wet. Following the Taoist rules, it is essential to prepare some tests and self rescue skills. After entering the mountain, Wang Daochang often visited the surrounding area and collected medicine and pharmacy. In this way, "poisoning" is unavoidable because of the reagent.
Wang Dao Chang said that the first poisoning was a traditional Chinese medicine called "Kun Zi", which was a necessary medicine for the people who lived in the mountains. This medicine was cultivated by Wang Dao Chang himself. At that time, I made an experiment after I processed it. I could see how many doses could cause poisoning, and observe the reaction after poisoning, and how to detoxify. Although there are records in medical books, it is not as impressive as personal tests.