What's with the red blood cells in the urine?

Urinary red blood cells are mostly microscopic hematuria, which is more common in clinical practice: 1. Urinary infection: frequent micturition, urinary pain, hematuria, etc. White blood cells and red blood cells can be seen in urine routine. Treatment is mainly anti-infection. 2. Urinary stones: pain and hematuria are the main symptoms. Hematuria can be microscopic or macroscopic hematuria. Imaging examination can clearly diagnose. Large stones often require surgery. 3. Urinary tumors: Urothelial tumors are common, sometimes hematuria is the only clinical manifestation, imaging examination can be confirmed diagnosis. Radical resection is the main treatment. IV, renal vascular malformation, strenuous exercise, taking anticoagulant drugs can also cause hematuria.