Neck muscle spasm is mostly caused by cervical spondylosis, and the clinical symptoms are not obvious in the early stage. If the disease continues to develop, it can cause obvious clinical symptoms, mainly manifested as tightness and stiffness of the neck, restricted movement, and even pain. Neck pain or radiating pain in one side of the upper limb can occur when turning the head or bearing weight on the head, and skin sensation abnormality and weakness of the upper limb can occur unilaterally or bilaterally. Dizziness and nausea may occur when the head is turned to one side, and there may be numbness and headache in the upper limbs. In addition, there can be drooping eyelids, pupil narrowing, sunken eyes, abnormal heart rate, cold limbs, facial flushing, and in severe cases, excessive sweating and fainting. In addition, for patients with neck muscle spasm, should avoid pillow higher pillow, should also pay attention to neck and shoulder warmth, avoid head and neck of the weight, avoid overwork, early and thorough treatment of cervical spondylosis and muscle strain. Walking should be prevented from flashing, long-term ambulatory workers should regularly change the position of the head.