1. Method 1 for cleaning pig lungs: Do not cut the pig lungs, flush water inside through the large air tube, and then grab the lung lobes with your hands to squeeze out the water. Repeat this many times until it is clean.

2. Method 2 for cleaning pig lungs: Use starch to absorb dirt. After cutting the pig's lungs, grind them with powder and repeat many times.

3. Method 3 for cleaning pig lungs: Boil water in a pot. After boiling, put the lung lobes in, with the large tubes extending outside. The pig lungs will shrink when heated, and they will remove the dirt inside from the trachea. spit it out.

4. Method 4 for cleaning pig lungs: Put the pig lung tube on the faucet, fill it with water and then pour it out. Repeat it several times to rinse it clean. Finally, pour it into the pot and boil it for leaching. Wash the residue in the lung tube again, change the water and boil it until it becomes crispy.