Why do girls have pain in the abdomen after going to the toilet, most of this situation may be due to a urinary tract infection, we need to do a routine examination of urine to clarify the severity of urinary tract infection. If the urine routine in the white blood cells ≤ (+), proved to be a mild urinary tract infection, can be used to drink more water or oral generation of quinolone antibiotics, such as ciprofloxacin to treat. If the leukocytes in the urine routine ≥ (++), it proves that it is a moderate to severe urinary tract infection, and can usually use the second generation or more than the second generation of quinolone antibiotics, such as colbidol to carry on the anti-infection treatment. In the meantime of treatment, we need to drink more water and rest.