Orange Red Oral Liquid is a kind of compound Chinese patent preparation. This drug has the effect of clearing lung, resolving phlegm and relieving cough, which is mainly used in clinical practice for the relief of cough, phlegm, chest tightness, shortness of breath, dry throat and itchy throat caused by phlegm-heat obstruction of lung. The main ingredients of this herbal formula contain orange red, Chen Pi, Radix et Rhizoma, Poria, Radix et Rhizoma, Licorice, Aster, Mai Dong, Zhi Mu, Radix Platycodon, Di Huang and Gypsum. Patients who have allergic reactions to various components of the drug are prohibited from taking it. Patients with cough and phlegm caused by wind and cold are not suitable to take this medicine.