The East Campus of China Agricultural University, formerly known as Beijing Agricultural Mechanization College, In 1952, it was established by the merger of Agricultural Machinery Department of Beijing Agricultural University, the Central Ministry of Agriculture Machine Farming School, and North China Agricultural Machinery College, etc; In 1985, Renamed as Beijing Agricultural Engineering University; In 1995, it merged with Beijing Agricultural University and became the East Campus of China Agricultural University. The old gate of the Agricultural Machinery College was built at the end of 1953, which is a historical witness to the passionate burning years of China's agricultural mechanization movement. The old gate is in a convex shape, a raised gate together with houses on each side.The architectural lines are simple, and the materials used are fired Brick construction, decorated with convex bricks, adopt the two-row, four-pillar and three-bay all-through hall style commonly used in Chinese ancient architecture，The column body is painted red, the top of the column is decorated with arch of wooden architecture, arch of wooden architecture and beam fillet are decorated with colored paintings, and the top of the hall，It is a caisson with distinct traditional Chinese architectural characteristics, which stood out among the university gates at that time. Shortly after the completion of the school gate, its photographic photos were cited as supporting images by the famous historical geographer Hou Renzhi in the article "New Construction of the Capital" and published in the People's Pictorial. After 2000, the old school gate was transformed into a distinctive bookstore; In 2010, the school renovated the old school gate, restored its original appearance, And gradually becoming one of the representative landscape buildings on campus.