Longjiang Academy was built in 1840. This academy, which is backed by Wuhuling and faces the Longjiang River, was built by Hakka. The academy sits southwest to northeast, with a mixed brick and wood structure, a bucket-type beam frame, a fire-blocking hard gable wall, and a yin and yang tile roof. From the front and back three, left, center and right three groups, a building group formed by the symmetrical layout of the central axis. The open area is38.16 meters, the deep into 53.40 meters, covering an area of 20377 square meters. The central axis is arranged in turn in the foyer, Mingdaotang, Wenxing Pavilion. The left and right two are Qixiuzhai, Zhenxiuzhai, Jinxinzhai, Baogongxuan, Shufangzhai, Tiyunzhai, Buyuzhai, Chongwenxuan, etc. College buildings are uneven, patios are scattered, corridors colluding, commonly known as "Jiujing 18 Hall", with Jiangnan mountainous areas adapting to ventilation, lighting and drainage architectural characteristics. In 1928, the first phase of the Army Officers Teaching Team of the Workers and Peasants Revolutionary Army opened in Longjiang College. On April 28, 1928, Mao Zedong and Zhu De met for the first time at the academy, and the two leading cadres of the two forces boarded the Wenxing Pavilion for cordial talks, which led to Longjiang Academy being known as the "cradle of military and political colleges" and the "holy place of Zhu Mao's meeting".