Bailing capsule can tonify lung and kidney essence, although it can treat chronic renal insufficiency. However, there is no clear indication as to how long it takes for creatinine to drop to normal. Clinically, it is recommended to take about 8 weeks, the specific need to follow the doctor’s instructions. Bailing capsule is mainly composed of fermented Cordyceps sinensis mushroom powder, which can be used to treat coughing, hemoptysis, wheezing, swelling and discomfort of the face and eyes, lumbar and back pain and discomfort and nocturnal urination and long and so on caused by deficiency of the lungs and kidneys. Chronic renal insufficiency and chronic bronchitis can also take Bailing capsule to assist in the treatment of the above conditions. People who are allergic to Cordyceps Sinensis are not allowed to take it. Allergic people should be cautious of using Bailing Capsules. Currently, adverse reactions such as throat discomfort may occur occasionally after taking the capsules. When taking Bailing Capsules, you need to avoid spicy, cold and greasy food. Creatinine is an indicator of renal function, Bailing Capsules can treat chronic renal insufficiency, can improve renal function, but how long to take Bailing Capsules can reduce creatinine to the normal level, there is no clear description, clinically it is recommended to take about 8 weeks, the specific use of medication need to follow the doctor’s instructions.