Forehead swelling is mainly seen in the following aspects of the cause: First, ask the patient how the past sleep, long-term sleep deprivation may appear in the morning after the forehead swelling accompanied by dizziness, headache and other uncomfortable feelings. Second, ask the patient if he has a history of hypertension, long-term blood pressure is too high, more than the brain’s own regulation will appear vascular headache to forehead swelling pain. Third, forehead swelling accompanied by nasal congestion, sneezing, runny nose, etc., to ask the patient whether there is sinusitis, some sinusitis patients will also appear forehead swelling pain accompanied by nasal congestion, you can conduct a cranial magnetic resonance examination.