Headache and eye swelling are mainly due to the following reasons: 1. Ask the patient if there is any recent intracranial infection or brain hemorrhage from traumatic brain injury or large cerebral infarction. If there is intracranial hypertension, there will be headache, eye swelling and blurred vision, accompanied by nausea and vomiting, you can go to the cranial magnetic resonance examination. 2, headache, eye swelling, ask the patient headache, eye swelling, whether there is a loss of vision, whether the headache is mainly in the frontal area or the whole head. To find out whether there is acute glaucoma, go to the ophthalmology department for intraocular pressure measurement. 3. For headache and eye swelling, ask the patient if he has any previous history of migraine.