Vegetable and fruit cold storage is a kind of refrigeration equipment specially used for storing vegetables and fruits. It controls temperature, humidity and air circulation to prolong the freshness of vegetables and fruits. Fruit and vegetable cold storage is usually divided into two types: low-temperature cold storage and medium-temperature cold storage. Low-temperature cold storage is suitable for storing vegetables and fruits with low refrigeration temperature, such as apples, pears, persimmons, etc., while medium-temperature cold storage is suitable for storing vegetables and fruits with high refrigeration temperature. , such as watermelon, melon, cucumber, etc. The use of vegetable and fruit cold storage can reduce the loss of vegetables and fruits and improve their quality and market value.