Planar heating plate

The utility model discloses a surface heating sheet, which comprises a reinforcing sheet, an electric heating material and a substrate. The substrate has a large area, and the electric heating material is mixed with rubber, carbon black powder and conductive metal powder. A layer of the electric heating material is laid on the reinforcing sheet to form an electric heating sheet. The electric heating sheet is fixed on the substrate, and a conductive sheet body is fixed on the electric heating sheet as an electrode for connecting power supply to form an electronic circuit. The utility model has the advantages of simple structure, convenient manufacture and good strength and heating effect.