Lung infection caused by prolonged fever needs to be anti-infective treatment for the cause of the disease, and active symptomatic treatment at the same time. 1. Anti-causal treatment: targeted anti-infective treatment for infectious agents, such as bacterial infections can be used ceftriaxone, benzoxiline, levofloxacin, etc., mycoplasma pneumonia can be used azithromycin, etc., and fungal infections can be used fluconazole, itraconazole, etc. 2. symptomatic treatment: when the fever is needed to be physically cooled down, such as warm water to wipe the whole body, etc., and when the fever is high, you can use medication to reduce the fever, such as ibuprofen, Acetaminophen, etc. When there is a lot of sputum, it is necessary to assist the drainage of sputum, and when it is not easy to cough out, it is possible to use aminoglutethimide and other sputum remodeling drugs. At the same time, we also need to pay attention to the occurrence of complications, such as lung abscess, abscess chest, etc., if necessary, we also need to investigate other diseases that can cause fever, such as lung cancer. After suffering from lung infection, you must cooperate with the doctor for treatment in time to prevent further aggravation of the disease, and you need to strictly follow the doctor’s instructions when using drugs.