Jin Shui Bao is a proprietary Chinese medicine preparation, the main ingredient of which is fermented Cordyceps sinensis. From the point of view of Chinese medicine, the drug has the effect of tonifying the lungs and kidneys, secreting the essence and benefiting the qi, and can be used in clinical situations such as acute attacks of chronic bronchitis, acute bronchitis, bronchiectasis due to various causes, bronchial asthma, and pneumonia. The use of this drug produces anti-inflammatory, anti-cough, expectorant, and sedative effects on the organism, and it is rich in natural antibacterial factors, which can resist pathogens. In the course of taking this drug, relatively few adverse reactions have been found, and the efficacy of the drug is precise.