Putting walnuts into a storage box lined with lead skin can reduce the contact between walnuts and air and avoid moisture regain. If the amount of hickory nuts is small and the lead skin cannot be found for a while, it can also be sealed and stored in a ceramic container.

Put melon seeds in a fresh-keeping bag in the refrigerator, or put a tin can in a fresh-keeping bag with several bags of desiccant inside! It can be frozen in the refrigerator, but it must be sealed!

Cashew nuts should be stored in sealed cans, refrigerated in the refrigerator, or placed in a cool and ventilated place to avoid direct sunlight, and should be eaten as soon as possible. Wrap some pepper in gauze and put it at the bottom of the jar where cashews are stored.