Dizziness and numbness in the arms are mainly considered for the following reasons: 1. To be considered may be related to cervical spondylosis. With the increase of age, the patient’s cervical spine joints have bone degeneration, cervical vertebral retroflexion, herniated discs and other problems, which can lead to compression of the patient’s vertebral artery, and cause insufficient blood supply to the brain, and the patient will have symptoms of dizziness. When the protruding nerve compresses the nerve root, it will lead to numbness of the arm, which is usually easily induced when the patient works with his head down for too long; 2, the patient’s dizziness and numbness of the arm should be considered to be caused by cerebrovascular diseases. The sudden appearance of dizziness, arm numbness and limb numbness should be considered as cerebral infarction.