The neck is particularly tight mainly refers to the stiffness of the neck, the common causes include the following aspects: First, the strain of the neck and shoulder parts, common in long time low work, posture for a long time incorrect people, such as often keep the state of shoulder, will lead to strain of the neck and shoulder muscles, so that muscle spasm, tension, will also lead to a stiff neck. Second, it can be seen in the acute injury of the neck, such as falling pillow or strain caused by sports, the local muscles will also appear spasm, tension, will also lead to stiff neck. Cervical spondylosis, due to cervical spondylosis compression of local nerve roots, will lead to muscle spasm, tension, resulting in the symptoms of stiff neck, often accompanied by upper limb radiated pain and upper limb sensory abnormal symptoms. It is recommended to adjust the posture in time, pay attention to rest, support symptomatic treatment, and if the effect is not satisfactory to promptly go to the hospital for consultation to identify the cause of relevant treatment.