Frequent urination is a common symptom of urinary tract infection, which is mainly caused by bacterial infection and other pathogens. 1. Bacterial infections: common gram-negative bacilli are the most common causative organisms, such as Escherichia coli, Klebsiella, etc., which can cause urinary tract infections. 2. Other pathogens: such as adenovirus, can lead to acute hemorrhagic cystitis in children and young adults; in addition, chlamydia, fungi and tuberculosis divergent bacilli and other pathogens can also lead to patients with urinary tract infections. Repeated stimulation by inflammation can lead to constant contraction of the bladder and urethra, which can lead to symptoms such as frequent urination, urinary urgency and painful urination. The symptoms of urinary tract infection, it is recommended to go to the urology department in a timely manner, after clarifying the cause of the disease, follow the doctor’s instructions to take a reasonable way of treatment.