Male, 51 years old, self-employed in Shuangcheng City, Heilongjiang Province. He had a history of cervical spine disease for more than 20 years and had a history of neck trauma. He had undergone conservative treatment in several hospitals with poor results. The patient felt pain in the neck and shoulder, intermittent dizziness, and numbness in the fingers of the left hand. Physical examination: limited lateral flexion of the neck, positive cervical 5.6 paravertebral pressure pain, positive brachial plexus pull test on the left, negative brachial plexus pull test on the right. Bilateral intervertebral foraminal compression test was negative. The muscle strength, muscle tone and superficial skin sensation of both upper limbs were normal. Bilateral biceps, triceps tendon, and radial membrane reflexes were diminished. Hoffman’s sign was negative bilaterally. MRI of the cervical spine suggested: C3.4, C4.5, C5.6, C6.7, C7T1 disc protrusion, cervical osteophytes, straightening of curvature, and dilatation of the central canal of the spinal cord at the level of cervical 5-6, which was treated by cervical endoscopy, and the discomfort of the neck and shoulder and left upper limb was significantly reduced intraoperatively. The postoperative result was ideal and the patient expressed satisfaction.