1, sugar bubble freezing method: wash the pickled bayberry to remove the sour taste, then soak it in sugar water for a period of time, seal it with a fresh-keeping bag and put it in a borneol freezer. It can be kept fresh for about 3 to 4 days.

2. Control the temperature and humidity: wash and drain the waxberry that needs to be frozen, put it in a fresh-keeping box or bag, adjust the temperature of the refrigerator to 0-5 degrees, and control the humidity to about 90%. The storage time of big roots is 10 day.

3. Rapid cold storage method: Wash the bayberry, put it into a quick-freezing warehouse at minus 30 degrees for quick freezing, with about 15 minutes left, and put it into a low-temperature cold storage with a temperature of minus 18 degrees. It can be kept fresh for about 4 months.