There are two possibilities for women who have a feeling of swelling in the small of the abdomen and feel that they have urine that is not clean: one may be a urinary tract infection; the other may have overactive bladder syndrome. It is recommended to test urine routine, if there are white cells in urine routine, it is urinary tract infection, you can use hot towel on the lower abdomen, also can warm water sitz bath, you should eat broad-spectrum antibacterial, broad-spectrum antibacterial recommended oral levofloxacin, 0.2 grams each time, twice a day orally, treatment 3-5 days symptoms will be significantly relieved. If the urinary routine is normal, it may be overactive bladder syndrome with symptoms of frequent urination, cramping and urgency, you can do urodynamic examination to confirm the diagnosis. It is recommended to take oral Weixikang, which will soon relieve the symptoms.