Female urinary tract infection medication ineffective, may be the following situations: 1, antibiotic medication is not standardized, insufficient dose, many patients are accustomed to the daily 3 meals after the way to take drugs, is incorrect, the correct way to take drugs should be according to drug instructions or physician’s guidance, sufficient dose every 6 hours or 8 hours to take a drug, which can ensure the stability of the blood concentration in the body. 2, long-term abuse of antibiotics appeared The drug-resistant strains are recommended to take mid-morning urine for bacterial culture and drug sensitivity test to select sensitive antibiotics for treatment. 3, with bladder stones, urinary tract obstruction, urological tumors, paraurethral cysts, diabetic immune deficiency and other underlying diseases that are prone to complications of infection.