The utility model relates to a floor technical field that generates heat especially is a photovoltaic floor that generates heat, the package rubbing board body, the side opening has been seted up to the lateral part of plate body, and the top surface of plate body has seted up anti -skidding line, and the plate body divide into top layer, chip layer, central back up coat, buffer layer and bottom,the chip layer is provided with heat -generating chip, and through copper line interconnect between the heat -generating chip, heat -generating chip's the external ring of one end fixedly connected with is kept away from to the copper line, and central back up coat is provided with gusset plate crisscross each other. The utility model discloses a buffer layer is provided with soft material, and soft material can be good is the floor shock attenuation, also can preserve the heat simultaneously for the user has good experience in the middle of using, the bottom is provided with the weaving layer, and the weaving layer is mutual crisscross the setting, and the weaving layer has advantages such as firm, durable, in the bottom of doing of plate body, has advantages such as antidetonation, heatpreservation simultaneously, makes the device life prolong, and the effect promotes.