It is mainly used for coughing and coughing up sputum in acute upper respiratory tract infection, bronchitis and pneumonia. This drug is a compound preparation, mainly containing opium powder, orange pepper powder and potassium sulfate. Some patients may have some adverse reactions after taking this drug, such as weakness, drowsiness, loss of vision, slowed breathing, and even nausea, vomiting and constipation. This drug should not be taken for a long time because it contains opioid components, otherwise it may cause drug dependence. It is prohibited for use in hepatic insufficiency, pulmonary heart disease, asthma, and in infants and nursing mothers.