Swollen lymph nodes may be caused by lymphadenitis, lymph node tuberculosis, metastasis of malignant tumor, lymphoma, leukemia, connective tissue disease, etc. According to the cause of the disease, corresponding methods of treatment can be taken, including the application of drugs, surgical treatment, etc. The drugs should be applied under the guidance of a doctor. 1. Lymphadenitis: mostly caused by bacterial or viral infection, it will manifest as enlarged lymph nodes, accompanied by a painful sensation, and there will be pain when touching, you can take some drugs to treat it, such as amoxicillin, cefaclor and other treatments for bacterial infections, and acyclovir, ribavirin and other drugs for viral infections. If there is abscess formation, it can be treated by surgery. 2. Lymph node tuberculosis: in addition to enlarged lymph nodes, accompanied by low-grade fever, night sweating (abnormal sweating after going to sleep and stop sweating after waking up), fatigue, emaciation and other symptoms of tuberculosis toxicity, at this time, it is necessary to anti-tuberculosis treatment, and the joint application of isoniazid, rifampicin and other drugs. If there is abscess formation, it can be treated by surgery. 3. Metastasis of malignant tumor: lymph nodes will be enlarged when lymph node cancer or malignant lesion of other organs occurs, generally lymph nodes have no obvious tenderness, hard texture and poor mobility. In addition to treating the primary tumor, it can be treated by surgical lymph node dissection, radiotherapy and chemotherapy. 4. Lymphoma, leukemia: it should be treated with appropriate chemotherapy (e.g. adriamycin, bleomycin, vincristine) and bone marrow transplantation according to typing. 5. Connective tissue disease: Prednisolone, interferon and other drugs should be given under the guidance of specialized doctors.