Zhu Fei decoction has the effects of relieving cough, tonifying lung, stopping bleeding, promoting blood circulation to remove blood stasis, clearing away heat and toxic materials, relieving cough and relieving pain, and its methods are as follows:

First put the pig lung on the tap, fill it with water, then pour it out, rinse it several times and clean it. Finally, pour it into the pot to boil and drain the residue in the lung tube, wash it again, and then put it in water to cook until it is crisp and rotten.