Urinary tract infection ate a month of anti-inflammatory drugs is useless may be related to drug insensitivity, low dose of drugs or poor living habits and other factors, need to be retained urine culture, and according to the results of the urine culture timely adjustment of medication and improve the condition of the general treatment and other ways. 1. Drug insensitivity: When patients with urinary tract infections take certain antibiotics on their own, the drugs may be insensitive and cannot effectively kill the pathogen. Therefore, patients should go to the hospital in time to do the appropriate examination, according to the results of the bacterial culture to choose sensitive antibiotics in sufficient quantity and course of treatment. 2. drug dose is small: urinary tract infection ate a month anti-inflammatory drugs are useless may also be the dose of drugs is relatively small. Patients should take antibiotics under the guidance of the doctor in full dosage and full course of treatment, do not change the medication on their own. 3. Poor living habits: The above situation may also be caused by the patient’s poor living habits, resulting in repeated irritation of the urinary tract. Patients should develop good hygiene habits, wash and change their underwear regularly. If the patient has a urinary tract infection and other related discomforts, it is recommended to go to the hospital in a timely manner, and follow the doctor’s instructions to standardize the diagnosis and treatment.