Baita Mountain is located in the Baitashan Park Scenic Area on the north side of Zhongshan Bridge in Lanzhou City, Gansu Province, on the north bank of the Yellow River. There are Jincheng and Yudi Erguan under the mountain, which are all ancient military to rush. The white tower was built in the Yuan Dynasty, Houyi, and the existing white tower system was rebuilt by Liu Yongcheng, the internal supervisor of the town of Gansu during the Ming Jingtai period. Qing Kangxi 54 years (1715) patrolman Yuqi supplemented the old and added. The tower is seven and eight sides, with green roofs, and a round base is built below, about 17 meters high. The outer layer of the tower is white and gray, and white pulp is used, so it is commonly known as the white tower. One, two and three buildings on the mountain, moth red pillars, mixed green trees, pavilion and corridors, extending in all directions.