After buying ginger, some of it is wet. Try to dry it in the sun and keep it for a longer time.

wrap it in paper towels commonly used in our home, and then store it in the refrigerator. Ginger wrapped in paper towels can absorb moisture from ginger and keep it for a long time, but it is still recommended not to keep it for too long.

Method 2:

Another method is to use salt, find a plastic box, put salt in it, put ginger in it, cover it and put it in the refrigerator. Similarly, you can also coat a layer of salt on the surface of ginger and put it in a plastic bag without sealing it, or you can put ginger in a freezing layer for freezing. But it's a little troublesome if you don't take it out in advance when you eat it.