Lung infection is a common disease of the respiratory system, which can cause symptoms such as coughing, coughing up sputum, high fever, chest pain, and blood in sputum. It can be treated by antipyretic symptomatic and anti-infectious treatment. 1. Antipyretic treatment: If the body temperature does not exceed 38.5 degrees, physical means are generally used to assist in cooling, such as warm water baths; if the body temperature exceeds 38.5 degrees and the fever does not go down, oral acetaminophen, ibuprofen and other medications should be taken under the guidance of a doctor for treatment. 2. Anti-infection treatment: The initial anti-infection treatment should be decided according to the condition. If it is bacterial infection, oral cefuroxime, cefradine, levofloxacin and other drugs should be taken as prescribed by the doctor, and if it is influenza virus infection, oral oseltamivir should be taken under the guidance of the doctor for treatment. If necessary, sputum culture or alveolar lavage fluid pathogen culture, according to the pathogenic bacteria and drug sensitivity selection of anti-infection treatment program. In addition, when the lung infection high fever does not go down the patient in the process of fever reduction should be appropriate supplementation of water, so as to avoid the emergence of a large number of sweating caused by dehydration, if there is discomfort, should promptly go to the hospital for medical treatment, under the guidance of the doctor for standardized treatment.