Introduction to Yan'an: Yan'an is one of the 24 historical and cultural cities in the country announced by the State Council. Yan'an is located in the southern half of northern Shaanxi. It was called Yanzhou in ancient times and has always been the political, economic, cultural and military center of northern Shaanxi. The city is located in the vicinity of Baota Mountain, Qingliang Mountain, Fenghuang Mountain, and the junction of Yanhe River and Luanchuan River. It has become a battleground for military strategists. It is known as “the throat” and “military town”. For the "three Qin lock key, five roads throat." The name of Yan'an began with awkwardness. Yan'an Tourism: Yan'an has a very rich tourism resources. In terms of historical sites, there are national key protection units announced by the State Council - Xuanyuan Huangdi Mausoleum, National Key Cultural Relics Protection Unit - Zichang Caves, etc.; Yan'an Yellow River Hukou Waterfall, the country's largest wild peony group and Hua Mulan's hometown Wanhua Mountain. Yan'an is also a revolutionary holy place, with more than 140 existing revolutionary homes. The main tourist resources are: Huangdi Mausoleum Scenic Area in Yan'an City, Yan'an Revolutionary Memorial Hall, and Yan'an Zaoyuan Revolutionary Site.