The invention discloses a novel automatic-heat-dissipation feed grinder. The novel automatic-heat-dissipation feed grinder comprises a motor box, a belt pulley, a grinding box, a blade, a feeding opening, a discharging opening, a motor, an exhaust fan, a filter net and a base; the grinding box is mounted on the base, the motor box is mounted on the left side of the grinding box, the blade is mounted in the middle of the grinding box, the belt pulley is connected with the motor box and the blade, the feeding opening is formed in the grinding box, and the discharging opening is formed in the right end of the grinding box; and the filter net is mounted between the grinding box and the discharging opening, the exhaust fan is mounted on the motor box, and the motor is connected with the exhaustfan. The novel automatic-heat-dissipation feed grinder has the beneficial effects that design is reasonable, and the structure is simple; the filter net is additionally arranged, so that the situation that non-grinded residue flows out in advance is prevented, and the quality and productivity are greatly improved; and the exhaust fan is additionally designed, the exhaust fan is controlled by utilizing the motor, the heat dissipation intensity is increased, and safety of the motor is ensured.