There are many causes of headache, dizziness, and eye swelling in patients, which should be clarified by combining the specific form of patient onset and relevant examinations: 1. If accompanied by vision loss, then ophthalmic diseases should be considered first, such as glaucoma, which manifests as dizziness, head swelling, vision loss, conjunctival congestion, and photophobia. If there is no accompanying vision loss and there is obvious pain when the eye moves, or only slight vision loss, ophthalmologic diseases, such as optic neuritis after alcohol, should also be considered.2. If there is swelling and pain on the back of the orbit on one side alone, without vision loss or protrusion of the eye, but accompanied by conjunctival congestion and runny eyes of the same color, this condition, if repeated, needs to be considered as cluster headache. 3, need to be alert to increased intracranial pressure, such as cavernous sinus thrombosis caused by, or hyperthyroidism around the eye can also cause similar symptoms, so it is still necessary to make a specific analysis according to the specific situation. 4, patients who are under exertion or poor lifestyle caused by, to consider the neurological failure. For example, patients stay up late, lack of sleep, emotional anxiety, tension, easily induced headache, dizziness, eye distension. However, the headache, dizziness and eye swelling in this case are not too intense.5. Patients who have severe dizziness and headache accompanied by nausea and vomiting should consider the attack of migraine, which can also lead to the symptoms of eye swelling and pain.