Levofloxacin Hydrochloride belongs to the antibiotics with antibacterial and anti-inflammatory effects. Levofloxacin hydrochloride belongs to the quinolone class of antibacterial drugs, with a wide range of clinical applications, and can be used in the treatment of acute and chronic prostatitis, gonococcal urethritis, mycoplasma pneumonia, streptococcus pneumonia, dysentery, conjunctivitis, keratitis and so on. For infections of the urinary system, levofloxacin hydrochloride can be used for treatment, because more than 80% of it is excreted in prototype through the kidneys, and the concentration of the drug in the urine is higher, which can achieve a better therapeutic effect on urinary tract infections. Levofloxacin hydrochloride should not be used in children, should not be used in people with a history of psychosis or epilepsy, allergy, pregnant and lactating women are prohibited to use levofloxacin hydrochloride, and some patients can have adverse reactions such as gastric discomfort, nausea, vomiting, insomnia, headache, photosensitivity reaction, cardiotoxicity and other adverse reactions after using this drug. Patients are advised to use Levofloxacin Hydrochloride in accordance with medical advice and not to use it without authorization to avoid causing adverse reactions.