Bacterial infection pneumonia infusion treatment is generally 48 to 72 hours after the beginning of effective, but need to be full course of treatment, mild to moderate pneumonia generally need to be 3 to 7 days after the normal temperature, the more serious 10 to 14 days before the end of the course of treatment, such as Staphylococcus aureus pneumonia, immunosuppressed pneumonia, or aspiration pneumonia, the course of treatment needs to be prolonged, the specifics of which can be followed by the doctor’s instructions. Bacterial infection of pneumonia is mainly antibacterial treatment, commonly used roxithromycin, penicillin, cefixime, clarithromycin, azithromycin and so on. Antibacterial treatment is generally effective after 48 to 72 hours, which can be manifested as a decrease in body temperature, cough, sputum volume, sputum color from purulent to non-purulent, lung rales decreased or disappeared, ineffective can be based on drug sensitivity tests and sputum culture results of drug adjustment. Effective treatment requires a full course of treatment, mild to moderate pneumonia in the body temperature after normalization of 3 to 7 days, the more serious for 10 to 14 days to end the course of treatment, Staphylococcus aureus pneumonia, immunosuppressed pneumonia course needs to be extended appropriately, inhalation of pneumonia course of treatment often takes weeks to months, the course of treatment can be used in the later stages of the same medication of the oral medicine treatment. Bacterial pneumonia requires prompt medical attention and treatment as prescribed by the physician. These medications should be used under the supervision of a physician.