1. The function of the refrigerator is to keep food fresh. It does not freeze the food but also keeps it fresh. It can store some vegetables, fruits, beer, drinks, etc. However, in order to ensure the nutrition of the food, it is recommended to store it as soon as possible. Eat food stored in the refrigerator. The function of the freezer is to quickly freeze, generally used for quick-frozen food, cold drinks and long-term meat, which can be stored in the freezer for a long time. 2. The refrigeration-freezer conversion cabinet can both preserve freshness and quick-freeze, and is relatively simple to use.