Clear Lung Heat was released from the “Medical prescription research” edited by Wu Kun, a famous Chinese doctor in the Ming Dynasty. It was created for the treatment of Phlegm Heat accumulating in the Lungs, manifested as cough, chest tightness, thick and yellow sputum and other symptoms related dysfunction of Lungs. For more than 500 years, this recipe has been used in ancient China to treat Heat obstructive pulmonary disease.

The Heat obstructive pulmonary disease is characterized by cough, thick and yellow or even bloody sputum. The cough is unpleasant and causes chest pain and fullness of the chest ribs. It may start by an invading of exogenous Heat Evil, the Heat is then refining the body fluid into sputum, scorching the Lung and sputum. The sputum and Heat getting tightly knotted and blocking the Lungs. The Heat obstructive pulmonary disease is equivalent to bronchial and pulmonary infections caused by various pathogens in modern medicine, including acute and chronic bronchitis, asthma, cough, chronic obstructive pulmonary disease and pulmonary infection, lobar pneumonia, mycoplasma pneumonia, lung Abscess, the early stage of tuberculosis, which are phlegm-heat accumulations. It supports treatment of HIV/AIDS patients with lung problems. Modern pharmacological studies have shown that Clear Lung Heat has antitussive, expectorant, antibacterial and anti-inflammatory, anti-asthmatic and immunomodulatory effects.