After prostate enlargement surgery to check urine inflammation and frequent urination, may be the existence of preoperative infection, or postoperative care caused by improper infection caused by. 1. preoperative infection: prostate enlargement may lead to urinary retention in the bladder, easily induced bladder infection, before the operation infection is relatively light, the symptoms are not obvious, after the operation of the body’s immunity is reduced, the infection will be aggravated, there will be frequent urination, and the presence of inflammation in the urine. 2. Improper postoperative care: Improper care after prostate enlargement surgery, such as not paying attention to lower body hygiene, holding urine for a long time, may induce urinary tract infections, such as cystitis, which will cause inflammation in the urine, accompanied by frequent urination, urinary urgency, urinary pain and other symptoms. In summary, after prostate enlargement surgery to check the urine with inflammation and also frequent urination, should be under the guidance of the doctor to carry out anti-infection treatment, to avoid aggravation of the infection stimulus.