Prostate enlargement can lead to blood in urine. Prostate enlargement is a common and frequent disease in elderly men in urology, mainly manifested as progressive difficulty in urination, frequent urination, urgent urination, weak urination, waiting for urination, thin urine line, etc. Blood in urine is one of the complications of patients with prostate enlargement, mostly seen in more severe prostate enlargement, especially in patients with larger prostate volume. The prostate surface blood vessels tortuous, dilated, ruptured, bleeding will appear hematuria, especially the elderly taking aspirin etc. more likely to appear hematuria. If the patient has more bleeding it will form a blood clot in the bladder, blocking the bladder and requiring emergency surgery to remove the clot in severe cases. Therefore, recurrent hematuria is also one of the indications for surgical removal in patients with prostate enlargement, which is now mostly a minimally invasive procedure.