The efficacy of Zhi Ling Capsule and Bai Ling Capsule is generally the same, with little difference. The main ingredient of the capsule is Cordyceps sinensis, which has the effect of tonifying the lungs and benefiting the kidneys, and is suitable for coughing and asthma caused by deficiency of the lungs and kidneys, swelling and other diseases, and can also be used as an adjunctive treatment for various types of kidney disease, chronic bronchial asthma, chronic hepatitis and tumors. Bailing capsule has the effect of tonifying the lungs and kidneys, benefiting the essence, the main ingredient is fermented Cordyceps sinensis powder, can be used for the treatment of lung and kidney deficiency caused by coughing, asthma, hemoptysis, lumbar and back pain, swelling, etc., but also can be used for the adjuvant treatment of chronic bronchitis, chronic renal insufficiency. The main components of the two drugs are related to cordyceps, both have the effect of tonifying the lungs and kidneys, the difference in efficacy is not great. The contraindications of both are not clear, but individual patients may experience adverse reactions of pharyngeal discomfort after taking Bailing Capsules. The drug should be taken under the guidance of a professional physician to avoid adverse consequences.