Cold storage, is a kind of refrigeration equipment. Cold storage refers to the use of artificial means, to create a different environment from the outdoor temperature or humidity, but also for food, liquid, chemical, pharmaceutical, vaccine, scientific tests and other items of constant temperature and humidity storage equipment. Cold storage is usually located near the port of transportation or origin.

Since the late 19th century, cold storage has been an important part of the logistics industry. Cold storage is mainly used for food, dairy products, meat, aquatic products, poultry, fruits and vegetables, beverages, flowers, plants, tea, pharmaceuticals, chemical raw materials, electronic instrumentation, tobacco, alcoholic beverages and other semi-finished products and finished products of constant temperature and humidity storage. Cold storage belongs to a kind of refrigeration equipment, compared with the refrigerator refrigeration area is much larger, but they have a common refrigeration principle.