Moxifloxacin hydrochloride is relatively effective in the treatment of mycoplasma pneumonia and has been used more widely in clinical practice in recent years. Since this drug has a broad spectrum of anti-inflammatory effects that can cover many pathogens, it can have an antibacterial effect on many pathogens. However, this drug belongs to the quinolone antibiotics, and a relatively large side effect is the bone marrow growth inhibition can occur. Therefore, the use of this drug is prohibited for pregnant women, lactating women, and adolescents under the age of 18. These people can choose erythromycin, azithromycin and other drugs for treatment, and other symptomatic drugs are also needed to relieve the clinical symptoms of patients while using antibiotics.