Moxifloxacin is a quinolone antibiotic that belongs to the quinolone group of antibiotics and is useful and effective in the treatment of Chlamydia pneumoniae. Moxifloxacin is mainly used for diseases caused by sensitive bacterial infections in adults, such as acute bacterial sinusitis, acute exacerbation of chronic bronchitis, community-acquired pneumonia, non-complicated, skin and soft-tissue infections, complicated skin and soft-tissue infections of the skin, complicated intra-abdominal infections of plague. Chlamydia pneumoniae is a type of community-acquired pneumonia and moxifloxacin is generally useful and efficacious in the treatment of Chlamydia pneumoniae. Adverse reactions: nausea, vomiting, dizziness, tendonitis, peripheral neuropathy. Contraindications: hypersensitivity to the drug, pregnant and lactating women, patients under 18 years of age, patients with abnormal liver function are prohibited. Physical diseases need to go to the hospital for examination first, the drug needs to be used under the guidance of a professional doctor to avoid abusing the drug by yourself.