Pathogenic bacteria such as pneumococcus invade the human blood circulation and grow and multiply within it or produce toxins, causing severe symptoms of lung infection or toxicity. The septic bacteria are the most common. The common features of septic inflammation, namely redness, swelling, heat, pain and dysfunction. So, how can septic lung infection be prevented? The following are preventive measures for pulmonary septic infection: 1. Remove the primary lesion. Those with inhalation injury or severe burns of the face and neck should strengthen airway management, effectively remove airway secretions and necrotic shed mucosa, and promote airway trauma healing. Hematogenous pneumonia should control sepsis and remove distant lesions. 2, according to sputum culture or reference to the results of bacterial examination in trauma or blood, generally should be given intravenously, but also at the same time nebulized inhalation of antibiotics or in the lavage solution to add appropriate amount of antibiotics. 3.Treat as respiratory insufficiency if it is complicated by respiratory insufficiency.