Apples can be sold in the cold storage for three to six months. The suitable temperature for apple cold storage is 0-2 degrees, and the suitable relative humidity is 85-90%. During storage, the temperature and humidity of the cold storage should be strictly controlled. When stored in fresh-keeping cold storage, the temperature is set at -0.5- 1 degree, the relative humidity is controlled at 85-90%, and the oxygen concentration is 3-5%. Suitable carbon dioxide can be stored for 3 to 6 months under these conditions.