Louguantai Zhong Nanshan Taoist doctor training base is located at the foot of Zhong Nanshan, a treasure house of traditional medicine in China. The Tao Te Ching written by Laozi is the best place in the world. Zhong Nanshan, also known as Taiyi Mountain, Difei Mountain, Zhong Nanshan Mountain and Zhounan Mountain, is located in the middle of Qinling Mountains in Shaanxi Province, south of the ancient city Chang 'an (xi 'an).