5-year-old children urinate once an hour is urinary frequency, mainly divided into physiological urinary frequency, pathological urinary frequency, such as drinking too much water, uremia, cystitis and so on. 1. physiological urinary frequency: when 5-year-old children drink too much water, nervousness, cold stimulation, can be manifested as frequent urination, is a normal phenomenon. Usually the amount of urine is not small, and not accompanied by other symptoms such as urinary urgency, urinary pain and so on. 2. Pathological urinary frequency: polyuric urinary frequency, that is, increased urination, each time the amount of urine is not less, the total amount of urine throughout the day, mostly in diabetes mellitus, uremia, acute renal failure polyuria. Inflammatory urinary frequency, the child in addition to the symptoms of urinary frequency, each time the amount of urine is less and more accompanied by urinary urgency, urinary pain symptoms, common diseases have cystitis, urethritis, prostatitis, etc.. If the 5-year-old child in addition to an hour to urinate, but also accompanied by other uncomfortable symptoms, should be timely medical examination, in order to identify the cause of the disease and follow the doctor’s instructions for treatment. If it is clear that the inflammatory urinary frequency, parents should also increase the child’s water intake, to promote the body of harmful substances with the urinary discharge, is conducive to the restoration of the health of the organism.