Qing qi hua tan wan (清气化痰丸) is a traditional Chinese herbal formula that is commonly used to support the respiratory system and promote the removal of phlegm or mucus from the lungs.
Qing qi hua tan wan is believed to work by clearing heat, eliminating phlegm, and relieving coughs, according to traditional Chinese medicine theory.
This formula is often used to alleviate symptoms associated with bronchitis, pneumonia, and other respiratory conditions.