The utility model provides a discharge device for titanium sponge production through reduction. The discharge device comprises an outer cylinder, a top plate, a guide cylinder, an inner cylinder, a sealing bar, fastening pieces, a sealing cap, and a fixed clamp, wherein the top plate is fixedly connected with the upper end of the outer cylinder and a through hole is formed in the top plate; the guide cylinder is arranged in the outer cylinder, and the upper circumferential edge of the guide cylinder is connected with the lower surface of the top plate and surrounds the through hole; the inner cylinder can be arranged in the outer cylinder in a vertically-moving manner; the lower end of the guide cylinder downwards extends into the upper end of the inner cylinder; the lower end of the sealing bar is fixedly connected with the upper end of the inner cylinder and the upper end of the sealing bar penetrates through the guide cylinder so as to open and close the through hole; the first ends of the fastening pieces are connected with the lower end of the outer cylinder and the second ends of the fastening pieces are connected with the lower end of the inner cylinder so as to often push the inner cylinder upwards; the sealing cap is arranged below the outer cylinder and used for sealing a lower opening of the outer cylinder; a fixed screw is arranged at the lower end of the fixed clamp, the upper end of the fixed clamp is connected with the lower end of the outer cylinder and the upper end of the fixed screw is propped against the lower surface of the sealing cap so as to often push the sealing cap upwards. The discharge device for titanium sponge production through reduction, provided by the utility model, is simple in structure and reliable in use.