Frequent urination in children is considered to be caused by a urinary tract infection. The main symptom is urethral irritation, and frequent urination is usually accompanied by painful urination and urgency. The cause of urinary tract infection may be inattention to hygiene or secondary infection. 1, do not pay attention to hygiene caused by frequent urination, children often play with toys, lying on the floor, and then play with the genitals caused by the urethral opening bacterial infection, retrograde infection of the urethra, causing symptoms. This situation should pay attention to the child’s personal hygiene, frequent bathing, diligent change of clothes, pay attention to the meal before and after the stool must be washed hands. Then pay attention to drink more water and eat more vegetables, the symptoms will slowly ease. 2, systemic infection secondary to UTI, such as the child’s cold and fever, tracheal inflammation. This situation requires symptomatic support treatment, appropriate anti-inflammatory drugs, such as children eat cefaclor granules, azithromycin granules, etc.. Also pay attention to drink more water and pay attention to keep warm. 3, the obstruction of urination caused by the boy’s prepuce can also be a common cause of frequent urination in children, the child can be manifested as the effort to urinate, the number of times to urinate increases, view the penis visible penis head is covered by the foreskin, can not be turned up. The specific diagnosis as well as treatment should be confirmed by going to the hospital for examination and then treated according to the local doctor’s prescription. Pay attention to feeding the child more water and eating more vegetables. Wipe the child’s perineum frequently to keep the vulva clean and dry.