Lung Power Cough Compound is an over-the-counter drug. It is mainly used for coughing and wheezing, phlegm and breathlessness, and can be useful for acute bronchitis, chronic bronchitis and emphysema. It is mainly a symptomatic treatment with relatively few side effects in general. However, it should be noted that when taking the drug, it may increase the metabolic disorder of phenylketone, so it should be prohibited for patients with phenylketonuria. In addition, when taking this drug, one should not eat spicy, cold, greasy or stimulating food. This drug should also not be taken by patients with spleen deficiency or prone to diarrhea, nor is it suitable for coughs in which wind and cold attack the lungs. All the ingredients in the drug are also not suitable for patients with allergic reactions.