Can ice bags or ice boxes and incubators really keep food fresh? The answer is yes! Ice bag ice box is a cold source, a dry ice substitute, and cold box is a kind of heat preservation container that can delay the temperature rise or fall in the box. When using, we just put the fresh flavor food we brought back into the heat preservation box, and then put the ice bag ice box filled with cold quantity in the refrigerator or other freezing equipment around the food, fix it, and then cover the heat preservation box. That is to say, fresh food can be preserved. Here we need to remind you that the size of the incubator and the number of ice bags and ice boxes should be determined according to the quantity of fresh food with flavor and the preservation time, and the specific situation should be determined according to the actual situation.