Chronic renal failure is a common cause.

The most common causes of chronic renal failure are as follows: First, primary glomerulonephritis, such as small disease variant nephropathy, mesangial proliferative glomerulonephritis, IgA nephropathy, membranous nephropathy, focal segmental glomerulosclerosis, etc., is the most common cause of chronic renal failure in China, especially young and middle-aged people. 2. metabolic diseases kidney damage, such as diabetic nephropathy, obesity-related kidney damage, hyperuricemia kidney damage, etc., among which diabetic nephropathy is the most common cause of chronic renal failure in the elderly in China at this stage. 3. Autoimmune system diseases and connective tissue diseases kidney damage, such as lupus nephritis, primary vasculitis kidney damage, anti-glomerular basement membrane nephropathy, allergic purpura nephritis. 4. Infection related nephritis, such as hepatitis B related nephritis. 5. Interstitial nephritis, such as drug-induced kidney injury, etc. 6. Tumor-related kidney injury.