Liquid nitrogen biological container is a high-tech products, which mainly used for livestock breeding of frozen storage of semen ( artificial insemination ), human organs, skin , blood ,cells, cryopreserved in the low-temperature operation, industrial cooling assembly, the metal material cold treatment, cryogenic grinding ,such as superconducting magnet is also an indispensable instrument essential. With the development of science and technology and the needs of industrial and agricultural production. It will be the promotion and application of rapid and show a bright future.