Common causes of pain in the back of the head: 1. migraine, which can be caused by insomnia, exertion, or drinking stimulating drinks, and patients can have a family history of headache. 2. occipital neuralgia, which radiates to the top of the head as the greater occipital nerve and to the mastoid as the lesser occipital nerve, and the nature of the pain is mostly persistent dull pain with paroxysmal intensification, but also intermittent attacks. 3. plant nerve dysfunction, which is often caused by overexertion, tension, cold, and little sleep, The headache is often caused by overexertion, tension, cold, little sleep, etc. It will disappear after rest and sufficient sleep. 4. Infectious diseases, such as upper respiratory tract infection or infection in other parts of the body, lead to infectious headache. 5. Tension headache, posterior occipital headache caused by tension in the neck muscles. 6. Hypertension, patients are advised to have their blood pressure measured.