Neck swelling is generally clinically common for the following reasons: a. septic infection of the subcutaneous soft tissue of the neck, mostly seen in the neck skin with rupture, bacteria along the rupture into the tissue interstices, causing acute inflammatory changes around the neck, the patient will appear obvious swelling, pain, through the local topical application of Jinhuang San ointment or 0.5% vital iodine, intravenous strengthening of anti-infective treatment, the patient’s neck inflammation control The symptom of swelling can be relieved by itself. Secondly, if a huge tumor of thyroid gland grows outward, it will cause neck swelling and discomfort, so you can check the scope of thyroid gland through ultrasound or CT examination. Surgery to remove the thyroid tumor as soon as possible can relieve the compression of trachea and esophagus and the symptoms of neck swelling.