Kidney stones can cause hematuria or a small amount of proteinuria. Kidney stones can cause urinary tract mucosal rupture and hematuria, and a small amount of proteinuria can occur if a urinary tract infection is induced, but the amount of protein is often very small. If a large amount of proteinuria occurs, other causes need to be considered, such as acute and chronic nephritis. A small number of tall and thin young people may have physiologic hematuria or proteinuria due to compression of the left renal vein. Once patients with urinary tract stones have proteinuria, especially after anti-infection, stone removal, lithotripsy and other operations still have a large amount of proteinuria, we need to be vigilant about nephritis and other diseases, need to consult the nephrology department, improve the relevant examination, to rule out glomerulonephritis and other diseases.