Indications：
Improve pulmonary ventilation, relieve cough and asthma and treat frequent cough caused by yellow sputum in the lungs and tightness of the chest.
This product is derived from Maxingshigan Decoction by Doctor Zhang Zhongjing. The Diagnosis and Treatment Protocol for COVID-19 (Trial Version 4) listed Maxingshigan Decoction as one of the recommended prescriptions.