Lung infections should be explored for the cause of infection, such as bacteria, mycoplasma, virus, etc., and then medications, such as penicillin, cefuroxime, oseltamivir, etc., should be taken according to the cause. 1. Streptococcus pneumoniae: this is the most common bacteria in lung infections, and its commonly used therapeutic drugs include penicillin sodium, amoxicillin, penicillin V potassium and so on. 2. Staphylococcus aureus: this bacterium will lead to obvious high fever, chills and other symptoms, commonly used therapeutic drugs are cefuroxime sodium, cefaclor and so on. 3. Virus: A variety of viruses can cause viral pneumonia. Some viruses do not have specific antiviral drugs, if the diagnosis of influenza commonly used oseltamivir, zanamivir to treat. In addition, Mycobacterium tuberculosis, fungi, etc. can also cause lung infections and require targeted treatment. Medications should be used under the supervision of a physician.