This medical cold storage product is used in conjunction with an incubator and is mainly used for the transportation of vaccines, biochemical reagents, drugs, blood, etc., and low-temperature refrigeration during the collection of various samples in the temperature range of 2℃-8℃. The phase change material used in the product has the advantages of stable performance, large phase change latent heat, long insulation time, low attenuation during repeated cycle use, etc. It can maintain the temperature in the box without using electricity. It is a thermal insulation, quality assurance, energy saving and environmental protection material in the field of medicine.