The pain in the back of the head after shaking head may be related to cervical spondylosis, tension headache, trauma, intracranial lesions and other factors, according to the specific situation of reasonable judgment. 1. cervical spondylosis: cervical spine strain, or trauma, etc. lead to disc herniation, compression of peripheral nerves and blood vessels, which will lead to pain in the back of the head after shaking the head. 2. Tension headache: If tension headache is caused by excessive mental tension or fatigue for a long time, it can lead to pain in the back of the head after shaking the head. 3. trauma: if the back of the head is subjected to external stimuli such as collision, extrusion, etc., it will cause damage to the brain tissues or cerebral nerves, resulting in pain in the back of the head after shaking the head. 4. intracranial lesions: if the local tissues in the cranium have serious lesions, such as cerebral infarction, brain tumors, etc., the symptom of pain in the back of the head when shaking the head can occur. If the pain in the back of the head when shaking the head can not be relieved effectively, you should go to the hospital for examination in time to clarify the cause. Treat the cause.