Urinary tract infections do not result in a completely normal urine routine, and it is recommended that the patient undergo urine culture or cystoscopy, ultrasound of the urinary system, and other tests to further confirm whether the patient has an infection. Some functional disorders may be similar to the symptoms of urinary tract infection, such as overactive bladder or bladder prolapse, which can cause frequent urination, urgency, or urinary discomfort. However, there is no organic disease or bacterial infection at this time. Therefore, at this time, the urine routine examination are normal, at this time can not diagnose urinary tract infection, need to diagnose the cause of the disease. For example, the diagnosis of overactive bladder, or the diagnosis of diseases such as weak contraction of the bladder’s forced urethral muscle, bladder prolapse. The pathogenesis of these diseases is not bacterial infection, so there will be no signs of infection in the urine, which will not result in elevated leukocytes, positive leukocyte esterase, etc. It is necessary to treat the cause of the disease in order to relieve the symptoms.