6-year-old girl urinary frequency may be related to neurogenic urinary frequency, urinary tract infection, urethral exstrophy cysts and other diseases, but also may be caused by the environment and lifestyle. 1. Diseases: patients with neurogenic urinary frequency mainly manifested as frequent urination during the day, and the number of urination is basically normal at night or during sleep. Urinary tract infections, such as pyelonephritis and cystitis, can present with frequent urination symptoms. Cysts in the external urethra, when the cysts cause poor urination, it will cause frequent urination symptoms. Bladder stones, children in the early stages of the onset of frequent urination symptoms. 2. Environmental factors: low temperature and cold weather can lead to frequent urination. 3. Lifestyle: Drinking too much water, especially small children who like to drink sugar water, are prone to frequent urination symptoms. Frequent urination symptoms, exclude the environment and lifestyle caused, it is recommended to go to the hospital in time to identify the cause and timely treatment.