Headache and neck pain are commonly caused by the following: 1. Cervical spondylosis: Patients with cervical spondylosis can have neck pain, and if it causes insufficient blood supply to the brain, it can also lead to head pain and stimulate sympathetic nerves, which can cause clinical symptoms of head pain. 2. Brain diseases: such as septic meningitis, the meninges are stimulated, which can cause severe head pain and stiff neck pain, and can even cause increased intracranial pressure, and patients can show The patient may show clinical symptoms such as nausea and vomiting. Therefore, the presence of head pain and neck pain at the same time must be given great attention, and early consultation can enable rapid control of clinical symptoms, otherwise it is easy to produce serious adverse consequences, such as brain function damage.