The invention discloses an energy-saving medical waste incineration device with a smoke filtering function. The device comprises a base, a heat preservation box is fixedly arranged at the top of the base through a support, and an incineration box is fixedly arranged at the bottom in the heat preservation box through a support; a plurality of fire spraying pipes are uniformly and fixedly arranged at the bottom of the side wall of the incineration box, a spiral pipe is fixedly wound around the outer side wall of the incineration box, ports of the spiral pipe are closed, the top end of the spiralpipe is connected with a smoke inlet pipe communicating with the spiral pipe, and the bottom end of the spiral pipe is connected with a smoke exhaust pipe communicating with the spiral pipe; and thesmoke exhaust pipe is further connected with a filtering chamber, and the filtering chamber is fixedly arranged on the outer side wall of the heat preservation box. According to the device, the spiralcopper pipe is wound around the outer wall of the incineration box, the smoke spirally flows downwards along the spiral pipe, the heat in the smoke is relatively high, and is dissipated outwards through the spiral pipe, so that air between the incineration box and the heat preservation box is heated, a heat preservation effect is achieved, the heat is recycled, and energy is saved.