Qingfei Decoction
1.
Boil water when you start the pot and wash the pig lungs
2.
After the water is boiled, the pig lungs are put into the pot
3.
Wash the olives and cut in half, put them in a pot and boil for half an hour
4.
Just add some salt in half an hour
Tips:
Pig lungs, I wash them with salt and vinegar, and then boil water