Jiayuguan was built in the fifth year of Hongwu in Ming Dynasty. It consists of inner city, outer city, Luocheng, Wengcheng, moat and the Great Wall on the north and south wings, with a total length of about 60 kilometers. Towers, piers and forts are scattered all over the Great Wall, which consists of three lines of defense: inner city, outer city and moat, overlapping defense, forming a defense system of five miles, one long, ten miles, one pier, three miles, one fort and a hundred miles.
Jiayuguan is a world cultural heritage, a national AAAAA tourist attraction, a national key cultural relic protection unit and a national patriotic education demonstration base. The main attractions are Jiayuguan Guancheng, Hanging Wall, First Pier of the Great Wall, Wei and Jin Tombs, Stone Carvings in Montenegro, Mulan City, Qiyi Glacier and Gliding Base.