The utility model discloses an industrial furnace that can open door automatically, including the industrial furnace body, there is the chamber door on the positive surface of industrial furnace body through hinge swing joint, the right side fixedly connected with handle on the positive surface of chamber door, the positive fixed surface of chamber door is connected with the fixed block, the positive surface of fixed block is offered flutedly, and the inside of recess is provided with the spliced pole, the surface cover of spliced pole is equipped with the snap ring, a right side fixedly connected with supporting bench of industrial furnace body. The utility model discloses a set up industrial furnace body, chamber door, handle, fixed block, spliced pole, snap ring, a supporting bench, load case, motor, band pulley, rope, connecting block, slider and controller, solved the problem that the furnace gate can't automatic be opened to current industrial furnace, avoided the manual pulling of user to reduce user's labour, made things convenient for user's use, improved the practicality of current industrial furnace.