1》Wash the pig's belly once or twice with clean water, then put it into a pot with water that is about to boil. Turn it frequently. Take out the pig's belly before the water boils, and then remove the dirt on both sides of the pig's belly. Just get rid of the thing. 2》How to clean pig (cow, sheep) tripe: Cut open the pig tripe and clean (do not enter the water) the oil and other debris attached to it, pour a tablespoon of vegetable oil on it, and then rub the front and back sides thoroughly. After mixing, rinse it with clean water several times. Not only is there no fishy smell or other odors, but it is now white and smooth. 3》Put the pork belly in a basin, add salt and vinegar, and rub it repeatedly with both hands to condense the mucus on the pork belly. Detach. Then wash off the mucus with water, put your hand into the pork belly, grab the other end of the pork belly with your hand, turn it over, still add salt and vinegar and rub it to wash off the mucus; then put the pork belly into a pot of boiling water for scraping , wait until the inner wall of the pork belly is smooth, then turn the pork belly over, put it into a pot of cold water, turn it over with a spoon while heating, wait for the water to boil, you can remove the fishy smell of the pork belly, and then put the pork belly into the cold water pot. Soak in cold water. Hope to adopt