Neck nodes should pay attention to the following matters, first, pay attention to the size of the lymph nodes, location, texture, activity, lymph node surface smooth, clear boundaries, soft texture, good activity, which are benign lesions; once the lymph node hard texture, poor activity with obvious pressure pain, you need to consider the invasion of malignant tumors caused by; second, you need to specify the specific reasons for the lymph nodes, the patient with upper respiratory tract infection, pharyngitis, sinusitis, subacute thyroiditis, neck lymph node enlargement is likely to be caused by local inflammation, after active anti-infective treatment. Patients with upper respiratory tract infections, pharyngitis, sinusitis, subacute thyroiditis neck lymph node enlargement, is likely to be local inflammation caused by lymph node enlargement, through the active anti-infective treatment, inflammation subside enlarged lymph nodes can also subside. If the patient suddenly develops multiple swollen lymph nodes in the neck without obvious symptoms, it is necessary to be alert to whether the lymph node invasion is caused by tumor lesions. Common malignant tumors include breast cancer, stomach cancer, lung cancer, nasopharyngeal carcinoma, etc. It is necessary to complete the relevant examination as soon as possible, and carry out the resection of tumor as soon as possible after the tumor lesions are clearly identified so as not to cause serious complications.