Heat-insulation disc for dishes on dining table

At present, in homes and hotels, a method of recooking foods, which become cold, at dinner is always adopted, which is inconvenient, and some foods can become not fresh and delicious enough when recooked for several times. According to a heat-insulation disc for dishes on a dining table, a base is arranged at the lower part of a disc body; a disc cover is arranged on the opening of the disc body; a plurality of round holes are formed in the disc cover; an electric heating pipe is arranged at the bottom of the disc body; and a drainage pipe, which is provided with a valve, is arranged on the side of the disc body. At dinner, the heat-insulation disc for the dishes on the dining table is placed on the dining table, a proper amount of water is added into the disc body and the heat-insulation disc is electrified so as to heat the water, and meanwhile, the various dishes are held in the round holes, so that the foods in the dishes can be heated and can be kept warm by virtue of the heated water, and the foods can