1, houttuynia cordata. Slightly cold, spicy and sour. Entering the lung, large intestine and bladder meridian has the functions of clearing away heat and toxic materials, relieving pain and swelling, resolving phlegm and eliminating dampness. It is an essential drug for clearing lung-heat and resolving phlegm.

2, the pig lungs are slightly cold, sweet and light, and enter the lungs, stomach and large intestine, which has the effect of moistening the lungs and benefiting the stomach, relieving cough and smoothing qi.

3. The combination of the two ingredients in soup has the functions of clearing away heat, dispersing lung qi, resolving phlegm and relieving cough, promoting fluid production and relieving sore throat, and is suitable for patients with bronchitis, pharyngolaryngitis and hemorrhoid inflammation and pain.