1, material: a piece of pork belly, a little wine, pepper and spiced powder, soy sauce and sugar, sea salt, coarse salt and vinegar.

2. Wash the pork belly and dry the water. Punch holes in the pigskin with meat (the whole pigskin should be punched evenly), put vinegar on it and turn it over. First, smear the dipped pork with sugar, salt, pepper and spiced powder before drinking. Take the dyed pork out of the refrigerator, prick a hole in the pigskin and rub it with vinegar.

3. Put the pigskin covered with vinegar face down, put it in a sealed dissolver with a cover, and put it in the refrigerator for more than 24 hours to taste.

4. Take out the dyed pork from the refrigerator, poke a few holes in the pigskin, and then apply vinegar.

5. Make a shape like pork with tin foil paper, surround the pork with pigskin up, and cover the pigskin with a layer of coarse salt.