Provided are a pharmaceutical composition comprising a mineralocorticoid receptor antagonist and use thereof. When the pharmaceutical composition is orally administered to a patient having chronic kidney disease in need thereof, the effective and safe AUC ranges from 188 ng*h/mL to 3173 ng*h/mL, with bioavailability of 50% or more in mammals. When the pharmaceutical composition is orally administered at a daily dose of 0.1 to 1.0 mg to treat chronic kidney disease, the AUC is controlled at a safe and effective level.
