Five or six lymph nodes grow on the neck, generally speaking, according to the different causes of lymph nodes, different treatment methods can be taken. First, the lymph node enlargement caused by infectious lesions, mostly seen in acute pharyngitis, acute tonsillitis, sinusitis, subacute thyroiditis and other diseases. At this time because of bacterial or viral infection can cause local lymph node enlargement, accompanied by pain symptoms. Through active anti-infection and anti-virus treatment, the local inflammation can be controlled, the enlarged lymph nodes can be slowly absorbed and the pain can be relieved. Lymph node metastasis caused by tumor invasion, which is mostly seen in nasopharyngeal cancer, thyroid malignant tumor, tongue cancer, esophageal cancer, etc. At this time, the tumor cells invade into the neck along the lymphatic vessels and cause enlarged lymph nodes. At this time, the patient’s condition often belongs to middle or late stage, so it is suggested that the patient should undergo resection of primary tumor as early as possible, combined with chemotherapy and radiotherapy, so as to prolong the patient’s life as much as possible.