The invention provides an agricultural grain hoist, which can easily realize grain hoisting, reduce labor intensity, has simple structure, low cost, and convenient operation and disassembly. The agricultural grain hoist includes a rotating mechanism, a lifting mechanism and a grain hopper. The rotating mechanism includes a slewing platform, a fixed platform and a slewing support bearing. The hoisting mechanism includes a hoisting drive mechanism and a boom. Plate guide rope slider unit, the roller is connected to the power output end of the geared motor, the guard plate guide rope slider unit includes a guard plate, a slideway and a guide rope slider, the guard plate is fixed on the rotary platform, and has a cavity for accommodating the roller , the slideway is fixed on the guard plate, the guide rope slider is embedded on the slideway, and the surface is provided with a wire rope perforation, one end of the wire rope is fixed on the drum through the wire rope perforation, and the other end is fixed on the pulley and the grain bucket fixed on the boom. connect.