There are several reasons for neck swelling, which can be judged according to your own situation: 1, in addition to feeling swollen accompanied by pain when moving, will be aggravated after a long time low head, local pressure with pain, consider cervical spondylosis. 2, the neck feels swollen, accompanied by discomfort when swallowing, nodules can be touched around the trachea in front of the neck, consider an enlarged thyroid gland or thyroid nodules. 3, hypertensive patients, some of them have a feeling of neck swelling, but usually accompanied by dizziness and other symptoms. 4, the neck is cold and a long time to work in one position, such as a long time low or tilted head. In the case of hypertension, a part of the neck feels swollen, but usually accompanied by dizziness and other symptoms. 4, the neck for a long time cold and a long time neck a posture work, such as a long time low or tilted head, or even crooked to one side of the work, resulting in neck muscle and fascia strain. In addition to swelling, this condition will also be accompanied by pain, which will be aggravated by the cold.