1. Soak the dried pork skin in cold water first, and then add edible alkali to it. The purpose of adding edible alkali is to clean the grease on the dried pork skin.

2. Then boil the dried meat skin in boiling water, then take it out, drain and let it cool, then cut it into small pieces with a knife, wash it several times with cold water, soak it in cold water for 3 hours, and dry it The skin of the meat will turn white and swell.