There are many reasons for feeling tightness on both sides of the neck, commonly divided into pathological and physiological two. If the patient sits in the wrong posture or long-term labor caused by the neck muscle spasm stiffness, there will be tightness on both sides of the neck, this situation is physiological, generally do not need special treatment, give appropriate rest symptoms will be relieved. Then there is the swelling of the lymph nodes in the neck, such as the head, face and neck organs caused by inflammation of the lymph nodes in the neck, will cause tightness on both sides of the neck. Thyroid gland lesions, such as thyroiditis, thyroid gland multiple swelling will appear on both sides of the neck tightness.