2. Zongzi, whether bought or wrapped by yourself, can be eaten the next day in the refrigerator. The bought dumplings are frozen dumplings, which have been cooked inside. Putting them in the refrigerator can greatly extend the shelf life, and you can take them out and heat them when you want to eat them.

3. If you pack jiaozi yourself, you can also store it in the refrigerator, because the temperature in the refrigerator is relatively low, which can inhibit the growth and reproduction of bacteria. But we'd better seal it with a fresh-keeping bag when we put it in, so we can eat it directly after cooking for two days.