1. First wash the dry skin belly and soak it in warm water for about 1-3 days. During this period, change the water several times to prevent deterioration. Wait until it can be penetrated with chopsticks. method is more time-consuming and the operation process is a bit cumbersome. It requires constant water changes, which is not very practical. Let’s introduce another one.

2. Wash the belly, soak it in hot water until soft, then simmer over high heat. Be sure to use low heat. In addition, you can use hot alkaline water when washing, and add some vinegar to neutralize it when cooking. The belly cooked in this way is more effective.

3. Soak the dried skin belly in hot alkaline water for about half an hour, then rinse it with clean water. You can add an appropriate amount of vinegar to neutralize the alkali smell. Finally, soak it in clean water for 2-3 hours before use. Finally, let me explain that normal skin should be golden or yellow. White skin is poisonous after bleaching and should not be used.