The choice of type of antibiotic and the course of treatment to be used, ranging from 3 days to 6 months, is based on the location of the urinary tract infection and the presence or absence of complicated urinary sensation, and cannot be generalized. Acute cystitis: for women with uncomplicated cystitis can be treated with furotoxin, cephalosporins (cefixime), amoxicillin, compound sulfamethoxazole tablets, the course of treatment is usually 3 days, but if the drug is discontinued for 7 days, and again the quantitative urine bacterial culture found to be true bacteriuria should be given two weeks of antibiotic treatment. Pyelonephritis: less severe cases generally take levofloxacin, amoxicillin, cefuroxime and other drugs for 10 to 14 days, but those who are still positive for urinary bacteria after treatment need to choose effective antibiotic treatment for 4 to 6 weeks according to drug sensitivity test. Serious infections with obvious symptoms of systemic toxicity need to be hospitalized for intravenous administration and then switch to oral antibiotics to complete the two-week course of treatment. Urinary tract infection in pregnancy: should use antibiotics with little toxicity such as amoxicillin, furaztoxin, etc. Acute cystitis in pregnant women is generally treated for three to seven days, acute pyelonephritis in pregnant women, intravenous antibiotics for two weeks. Recurrent episodes of urinary tract infection: including reinfection and recurrence, reinfected patients who occur more than two times in six months should take a long course of low-dose therapy (oral antibiotics for six months). For recurrence, the appropriate antibiotic should be chosen according to the drug sensitivity test, and the course of treatment should not be less than six weeks. All of the above medications should be used in accordance with the doctor’s instructions. Urinary tract infection specific medication time, according to the patient’s condition, the severity of judgment, the patient should go to a regular hospital, strictly comply with the doctor’s instructions for treatment, do not take medication.