The common folk term waist disease refers to kidney disease, the kidney includes renal parenchyma, renal blood vessels, and the renal parenchyma mainly includes glomeruli and tubules. For example, glomerulonephritis and nephrotic syndrome can occur in the glomerulus; tubular necrosis and interstitial nephritis can occur in the tubules; and renal vascular lesions can be seen in renal artery stenosis and microthrombosis in the small arteries. In short, waist disease includes many kinds, no matter which kind of kidney disease, if the condition exists for a long time, it will damage the kidneys and may eventually lead to renal failure or even uremia, and uremia and renal failure can also be regarded as one of waist disease.