Introduction to Yaowang Cave: Sun Simiao, a famous Taoist priest and famous Chinese herbalist of the Tang Dynasty, is enshrined in Yaowang Cave. According to legend, Sun Simiao once visited the Qinba Mountains, the "hometown of Chinese medicinal materials", and left outstanding Chinese medicine manuals "Qian Jin Yao Fang" and "Qian Jin Yi Fang" for future generations, and was revered as the "King of Medicine" in the north by later generations.