Substrate heating device

The invention provides a substrate heating device. The substrate heating device comprises a heating assembly and a wiring assembly, the heating assembly comprises a heating substrate, and a heating element is arranged in the heating substrate; the wiring assembly comprises a first wiring piece and a second wiring piece, and the first wiring piece and the second wiring piece are both made of conductive materials; the first wiring piece is connected with the heating element, the second wiring piece is connected with a power supply piece, the first wiring piece is detachably fixed on the second wiring piece, and the heating element and the power supply piece are electrically conducted through the fixation of the first wiring piece and the second wiring piece. According to the substrate heating device, the substrate heating device realizes quick wiring, can be used while being plugged, is time-saving and labor-saving, and is more convenient and quicker to use, replace and maintain; and the safety of the substrate