utilizing graphene's outstanding electric and thermal conductivity to develop green, eco-friendly, exquisite and clear water-based graphene electrically conductive printing ink with powerful adhesion, stable electrical properties and even printing ink layers; working in tandem with traditional printing workmanship to manufacture products such as graphene electrothermal chips to produce graphene electrothermal murals, graphene electric heaters and graphene electrothermal cushions via product design. this technology can be used to heat buildings, cultivate agriculture, control pipe temperature, and in remote infrared healthcare at home and at public buildings.