Lymph node swelling recurrent fever, you can check the blood routine, blood sedimentation, C-reactive protein and chest X-ray, according to the blood picture and image analysis treatment. If the fever is caused by upper respiratory tract infection, oral anti-flu drugs, such as cold spirit granules, aminophenol pseudoephedrine tablets, etc., can treat and alleviate various symptoms caused by colds, such as fever, headache, nasal congestion, sore throat and so on. If the fever is caused by a virus, it can be treated symptomatically with antiviral drugs, such as ribavirin. If the fever is caused by an epidemic virus, you can take oral oseltamivir phosphate capsules, which can treat and prevent the attack of influenza virus. If the fever is caused by a bacterial infection, it can be treated with antibiotic medications. If the fever caused by lung tumor occupation is considered, further examination is recommended, including chest CT, lung tumor markers, bronchofiberscope and so on. For patients who are clearly diagnosed with lung cancer, early surgical treatment is recommended if there are surgical indications; radiotherapy and chemotherapy are recommended if there are no surgical indications.