The main ingredients of this drug are orange red, gypsum, maidenha, Zhi Mu, bitter almond, half summer, poria, dong Hua, orris and licorice, which can clear the lung, resolve phlegm and stop cough. The formula of this drug is mainly used to relieve the symptoms of wind-heat cough and coughing phlegm caused by excessive heat in the lungs due to the invasion of heat from external heat, and patients with allergic reactions should not take this drug.