Zhongnan Mountain, also known as Taiyi Mountain, Dilung Mountain, Zhongnan Mountain, Zhounan Mountain, short for Nanshan, is located in the middle section of Qinling Mountains in Shaanxi Province, south of the ancient city of Chang'an (Xi'an), the birthplace of "Shoubi Nanshan" and "Zhongnan Shortcut", etc., is an important geographical indication of China.