Children urinate too frequently a little bit at a time to consider the mental overstress, urethritis and cystitis and other causes. 1. mental overstress: it may be that the child is overstressed or stimulated by the cold, which may be manifested in the phenomenon of too frequent urination a little bit at a time. 2. Urethritis: due to pathogenic microbial infections in children caused by urethral infections, will show children urinate frequently every time a little bit, common symptoms and urinary pain and urethral urethral redness and swelling. 3. cystitis: most of the children’s bacterial infections caused by autoimmune disease, urinary flow obstruction is the triggering factor. This can lead to children urinating too frequently a little bit at a time, and accompanied by lower abdominal pain, urinary urgency and other uncomfortable symptoms. When the child appears to urinate too frequently every time a little phenomenon, it is recommended to go to the hospital in time to check, and according to the cause of the treatment.