Daily headache may be related to primary headache, craniocerebral lesions, extracranial lesions, systemic diseases, mental psychology and other factors. 1. Primary headache: its etiology is complex, influenced by genetic, dietary, endocrine, mental and other factors. 2. Craniocerebral lesions: for example, meningitis, brain abscess, cerebral hemorrhage, cerebral embolism, brain tumor, etc. These diseases may cause insufficient blood supply to the brain or pressure on the nerves of the brain, which may lead to headache. 3. Extracranial lesions: such as skull fracture, trigeminal neuralgia, occipital neuralgia, cervical spondylosis, sinus infection, etc. can also cause headaches. 4. Systemic diseases: such as pneumonia, drug intoxication, heart failure, hypertension and other systemic diseases, headache symptoms can also occur. 5. Psychological factors: such as depression, anxiety, neurasthenia, etc., can also cause headaches. The emergence of daily headaches, it is recommended to seek medical attention in a timely manner, under the guidance of the doctor to clarify the cause, and then actively for the cause of the treatment.