Pain in the back of the head of the elderly may be caused by primary headache, disc herniation, craniocerebral tumor, high blood pressure, and trauma. 1. Primary headache: when patients have migraine, cluster headache and other primary headache, it can cause headache in the back of the head. 2. Cervical disc herniation: If the elderly suffer from cervical disc herniation, due to the stiffness and contracture of the neck muscles and the protruding intervertebral disc compressing the vascular nerves and radiating to the back of the brain, it can cause back-of-the-head headache, which is accompanied by dizziness and numbness of the upper limbs. 3. Craniocerebral tumor: the pain in the back of the head of the elderly may also be caused by intracranial tumor with increased intracranial pressure, thus causing headache in the back of the head. 4. Hypertension: If the elderly have high blood pressure, it will cause the local blood perfusion in the brain to increase, leading to the increase of cerebrovascular pressure, which will cause the headache in the back of the head. 5. Other: Trauma to the back of the head resulting in concussion, brain contusion or meningitis, subarachnoid hemorrhage can cause headaches in the back of the head. Long-term overwork or anxiety, insomnia, etc., can also cause headaches in the back of the head. If you have recurring headaches in the back of the head, it is recommended that you go to a regular hospital as soon as possible to receive a checkup, identify the cause of the problem, and under the guidance of a professional doctor for treatment.