Children urinate once a while, may be related to excessive water intake, urinary tract infection, neurogenic urinary frequency and other reasons. 1. Drinking too much water: If children drink too much water, it can lead to a decrease in the osmotic pressure of plasma crystals, an increase in blood volume, as well as a decrease in the secretion of antidiuretic hormone, which can increase the volume of urine and cause urinary frequency. 2. Urinary tract infections: such as urethritis and other urinary tract infections, inflammatory stimuli can lead to urinary frequency, urinary urgency, urinary pain. 3. Neurogenic urinary frequency: neurogenic urinary frequency caused by mental tension, hysteria, etc., mainly manifested as an increase in the number of daily urination without an increase in urine volume. Parents are advised to control the child’s water intake, if there is no effect or other symptoms of discomfort, need to go to the hospital in time, clear cause, under the guidance of the doctor for standardized treatment.