In 2023, the Ministry of Health and Welfare in Taiwan announced that nephritis, nephropathy syndrome, and kidney disease ranked as the tenth leading cause of death. Both acute kidney injury (AKI) and chronic kidney disease (CKD) often have subtle initial symptoms. Once symptoms appear or worsen, and with limited effective pharmacological treatments available, the most effective method to prolong patients' lives is often through hemodialysis. Traditional Chinese medicine offers various treatment strategies to protect the kidneys. This article aims to enhance a clearer integration of traditional and Western medicine by analyzing the causes of acute kidney injury and chronic kidney disease through the four diagnostic methods and laboratory examinations.