The invention belongs to the field of agricultural production technical equipment, and particularly relates to an agricultural production grain grinder with a conveying device. According to the technical aims, the provided agricultural production grain grinder with the conveying device can reduce the labor intensity of workers, saves time and labor and is high in working efficiency. In order to achieve the above technical aims, the agricultural production grain grinder with the conveying device comprises a base, supporting rods, a discharging pipe, grinding devices, a first belt wheel, a first flat belt, a feeding hopper, the conveying device, a second belt wheel, a third belt wheel and the like; and the supporting rods are symmetrically welded to the left side of the top of the base, and the grinding devices are arranged at the upper ends of the supporting rods. According to the agricultural production grain grinder, a fourth belt wheel is driven by a rotating motor and drives the third belt wheel through a second flat belt, and the third belt wheel drives a first roller to rotate through a second rotating shaft.