Whether or not to operate on lymph nodes depends on the situation. If it is lymphadenitis, which is a bacterial infection in the lymph nodes, surgery is usually not needed, anti-infection treatment is sufficient, that is, oral antibiotics for treatment, such as first-generation cephalosporin or second-generation cephalosporin, cefixime, cefradine and so on. You can also take oral quinolones, such as levofloxacin, ciprofloxacin and so on. However, children and adolescents should not take oral quinolones because of the risk of ototoxicity and nephrotoxicity. When treating lymphadenitis, if the symptoms of lymphadenitis are significantly relieved, it is OK. If abscesses occur in lymphadenitis, surgical excision and drainage are also required. If a tumor is suspected in the lymph nodes, or if there is a tumor metastasis and the lymph nodes are obviously enlarged without pain, it is necessary to perform a lymph node dissection and send it for pathological examination to clarify the benignity and malignancy of the lymph nodes.