Common causes of pediatric urinary leakage include filling incontinence, urinary tract infection, spinal cord embolism or occult spina bifida. 1. Filling incontinence: children who do not urinate in time, hold their urine for a long time, overfilling the bladder, resulting in paralysis of the muscles that control urination, known as filling incontinence, which can lead to urinary leakage. 2. Urinary tract infection: children with urinary tract infection may leak urine because they can’t urinate in time, accompanied by frequent urination, urinary urgency, urinary pain and other symptoms, and urine routine can be found with leukocytes. 3. Spinal cord embolism or occult spina bifida: the control of urine function is poor, can not control the urine, will also appear leakage of urine. Pediatric leakage of urine go to the hospital to find a professional doctor to do a comprehensive physical examination, to clarify the cause of the disease, early treatment.