1.In daily life, heat preservation lamps are usually used as kitchen heat preservation lamps.2.The food heat preservation lamp is suspended above the food, and the infrared light emitted by the heat preservation lamp is used to heat and keep the food warm. There is no need to worry about whether there is lack of water in the heating plate and the heating element will be burned out, and there is no need to worry about the heated food being dried and roughened by the hot air and losing its original flavor. The heated food still maintains its original color, luster and taste.