Cranial hemorrhage surgery for 17 days with severe lung infection is mainly related to the decline of body immunity and aspiration pneumonia, the specific drug regimen mainly includes anti-infective treatment (cefixime, etc.), expectorant treatment (aminoglutethimide, etc.), and the protection of gastric mucosa (lansoprazole, etc.). 1. Anti-infective treatment: In case of serious lung infection, drug sensitivity test should be done first, and then anti-inflammatory drugs should be applied regularly, commonly used drugs include cefixime, azithromycin and levofloxacin. 2. Expectorant treatment: most of the corresponding patients will have sputum accumulation in the airway, and need to choose to apply expectorant drugs, commonly used drugs such as Ambroxol. 3. Protection of gastric mucosa: the treatment may cause gastric mucosa damage, need to apply drugs to inhibit gastric acid secretion, such as lansoprazole and so on. Severe pulmonary infection after surgery for cranial hemorrhage, close monitoring of cardiopulmonary function, once abnormalities occur, timely communication with the doctor, standardized treatment under the guidance of the clinician