When the temperature of the red spots in Combach honeycomb pot reaches a certain temperature, the red spots in the pot will disappear. After the erythema disappears, you can put down your things and fry them. That red spot can help some people who are not good at cooking distinguish the heat. Temperature control is a treatment term of temperature. In recent years, with the development of science and technology, its utilization rate in product storage and transportation is getting higher and higher. Its basic meaning is to adjust the temperature by technical means to make the temperature value consistent with the target value or range.