Cervical lymphadenectomy more than a month and still painful is related to infection, nerve injury, tuberculosis infection, can be given to remove the suture, anti-tuberculosis treatment and so on. The indications of cervical lymphadenectomy mainly include lymph node enlargement of unknown nature, metastatic cancer of lymph nodes, isolated tuberculosis of lymph nodes, etc. The pain after more than one month after operation is still related to the following factors: 1. Infection: rejection reaction at the suture anastomosis at the neck incision, which can be manifested as redness, swelling and pain. Absorbable protein sutures can be removed and sterilized. 2. Nerve injury: If the subcutaneous nerve is damaged during surgery, local pain and numbness can also occur after surgery, and the pain can be gradually relieved after 2 to 3 months. 3. Tuberculosis infection: for patients with lymph node tuberculosis, a little pain after surgery for cervical lymph node tuberculosis is usually not caused by surgery, and is considered to be caused by tuberculosis infection. Don’t take special treatment for the pain, continue to take anti-tuberculosis medication. Cervical lymphadenectomy for more than a month and still pain may be caused by other reasons, should be treated under the guidance of the doctor.