Using chestnut cold storage to store chestnuts is the best way to preserve fresh chestnuts. Chestnuts stored in cold storage have less decay and loss, and basically no germination. They can better maintain their original quality and taste, and the storage period can be up to 1 year. Chestnut refrigeration is to store chestnuts in a certain low-temperature environment. Nowadays, cold storage is often used for storage. The cold storage is referred to as cold storage. Its basic components include an insulation warehouse and refrigeration equipment. The thermal insulation warehouse is assembled with thermal insulation materials, and the refrigeration equipment includes refrigeration units, air coolers and microcomputer temperature control systems. In chestnut producing areas, it is more practical to build small cold storages of 10 to 100 tons to store and preserve fresh chestnuts, fruits and vegetables. Low investment, high efficiency and quick results.