1. Put it in the refrigerator. Do not wash the winter melon after cutting it. Wrap it in plastic wrap and refrigerate it in the refrigerator. It can be stored for a long time.

2. Cover the cut of the cut winter melon with clean white paper. After cutting the winter melon, you can take a piece of clean white paper the size of the cut surface of the winter melon and stick it on it, then smooth it tightly with your hands and place it in a cool and ventilated place.

3. Apply white wine to the incision. After the winter melon is cut, a layer of liquid will appear on the cut surface. This liquid can easily breed bacteria. You can use some white wine to evenly smear on the cut. The white wine has a sterilizing and disinfecting effect. After applying, wrap the cut surface with plastic wrap and store it in a cool place. Just a ventilated place.

4. Salt water to keep fresh. Select mature winter melon and soak it in salt water with a concentration of 15%. Pick it up, dry it, and store it in a cool and ventilated place.