The presence of (+) occult blood is likely to be a urinary tract infection, acute cystitis, or stones in the urinary system. The first thing to look for is whether the patient has symptoms of urinary frequency, urinary urgency, urinary pain and burning-like symptoms in the urethra. If these clinical manifestations do not appear, the patient is advised to drink more plain water and pay attention to personal hygiene. Observe for 3-5 days, then go to the hospital to review the urine routine, if there are still red cells present, it is recommended to do further examination, you can go to the hospital to check the urinary routine and urinary system ultrasound to make a clear diagnosis. If it is caused by urinary tract infection, you can choose to take oral Sanjin tablets and Levofloxacin Hydrochloride tablets. If it is caused by urinary tract stone, you can choose to take oral lithotripsy granules or stone capsule. If necessary, Holmium laser surgery or extracorporeal shock wave lithotripsy can be done to remove the stones from the body.