Bailing capsule has the effect of tonifying the lungs and kidneys and benefiting essence and qi, the effect is slow and requires long-term use to take effect, such as chronic renal insufficiency patients, 8 weeks for a course of treatment, which may slow down its progress, but usually not obvious visible effect. Bailing capsule is a prescription Chinese patent medicine, the main ingredient is fermented Cordyceps sinensis powder, which is a tonic with the effect of tonifying the lung and kidney, essence and Qi. Bailing capsule can be antioxidant and anti-fibrotic, and can treat various kidney diseases, such as glomerulonephritis, as well as viral hepatitis, emphysema and pulmonary heart disease. Usually Bailing Capsules, 1 course of treatment is for 8 weeks, the number of courses to be taken will depend on the patient’s underlying condition. Although there is no evidence-based medical evidence that Bailing Capsules are not suitable for long-term use, from the perspective of Chinese medicine, patients do not need to take them after their lung and kidney deficiencies have improved. In addition, patients should avoid smoking, alcohol, spicy and oily food during the course of taking the medicine. People with chronic diseases such as hypertension, heart disease and diabetes should take it under the guidance of a doctor and stop taking it once allergic symptoms appear.