There is no so-called urology, only urology and nephrology, in which nephrology is the department that can help people to diagnose and treat various kidney diseases, while urology mainly treats various urological diseases. 1. Nephrology: Nephrology is a clinical department for diagnosis and treatment of various kidney diseases, such as glomerulonephritis, nephrotic syndrome, interstitial nephritis, renal failure, membranous nephropathy, diabetic nephropathy, hypertensive nephropathy and so on. 2. Urology: Urology is a department that people are very familiar with, and its scope of diagnosis and treatment includes all kinds of urological diseases, such as urinary stones, renal tumors, bladder tumors, prostate lesions, testicular lesions, and congenital malformations of the urinary system. Individuals should have some knowledge and understanding of nephrology and urology to be able to seek timely medical treatment and choose the appropriate department when some discomfort occurs.