The utility model discloses a novel 3D prints heating device, including temperature controller, an auxiliary heating device, main burner and shower nozzle controller, the temperature controller line connection has auxiliary controller, and auxiliary controller's top is equipped with a connecting catheters, the inner tube is linked together with the inside of heating rod, an auxiliary heating device's outside fixed mounting has fixing device, the cover device of knowing how things stand and feel confident is settled to the below of main burner, an auxiliary heating device's left end symmetry is equipped with the 2nd auxiliary heating device, shower nozzle controller fixedly connected with connecting pipe, and the inside of connecting pipe and conduction control article is linked together, the long -range nozzle of conduction control article fixedly connected with. This novel 3D prints heating device is equipped with heating rod, auxiliary heating device and control by temperature change system, and the temperature of heating is high, can be fine control the temperature, degree of automation is higher, and the below nozzle can dismantle the change, a large amount of manpower and materials are practiced thrift in convenient clearance, heat effectually.