Lung infection after esophageal cancer surgery may be related to the invasion of pathogenic microorganisms such as bacteria, viruses and fungi into the body, so it is necessary to cooperate with doctors to receive anti-infection, anti-virus and anti-fungus treatment. 1. Bacteria: lung infection caused by bacteria needs to receive anti-infection treatment. Commonly used anti-infective drugs include cefuroxime and levofloxacin. 2. Virus: Virus-induced lung infections require antiviral treatment. Commonly used medications include oseltamivir and zanamivir. 3. Fungus: lung infection caused by fungus can be treated with antifungal drugs such as amphotericin B, itraconazole, fluconazole and so on. It is recommended to go to the respiratory department of hospital as soon as possible for postoperative lung infection of esophageal cancer and receive treatment under the guidance of professional doctors. Besides actively receiving anti-infection treatment, it is also necessary to treat the primary disease at the same time in order to promote the recovery of the body.