Norfloxacin capsules are mainly used for the treatment of urinary tract infections caused by sensitive bacteria, intestinal infections, prostatitis gonorrhea and other salmonella infections. Norfloxacin capsule is a quinolone antibacterial drug with broad-spectrum antimicrobial effect, the antibacterial activity for aerobic gram-negative bacilli is relatively high, and the antibacterial property is better for multi-resistant bacteria such as Enterobacter inguinalis, Enterobacter citriodora, Escherichia coli, and Klebsiella spp. of Salmonella spp. As a bactericide, Norfloxacin is widely used in clinics for various diseases caused by sensitive bacteria, such as cystitis, urethritis, ureteritis, prostatitis, enteritis and so on. When Norfloxacin is used, it is noted that it is forbidden for those who are allergic to this product and any kind of other quinolones, and it should not be used by children under 18 years of age, and there may be adverse reactions after the use of the drug, such as arthralgia, myalgia, myalgia, dizziness, hallucinations, delusions, burning sensation, pain, etc., and it is necessary to discontinue the medication and consult a doctor if necessary. Norfloxacin should always be used under the direction of a doctor, and patients should not use the drug on their own.