Oysters can be refrigerated for about 5 days. Oysters are rich in protein and water, which is easy to breed bacteria. It can be kept in the freezer for about 5 days. Frozen oysters can be stored for about 30 days, because the temperature in the freezer is very low, which is not suitable for the growth of bacteria. There will be no big problem if they are stored for about 30 days. Oysters are best refrigerated. Oyster is a delicious and smooth food, which is suitable for fresh food. If stored in the freezer, the meat quality of oysters will be frozen and denatured, which will affect the taste of oysters. So it won't affect the taste if it is refrigerated, but it can be frozen if it wants to be preserved for a long time.