Migraine is a primary headache that can be triggered by dietary stimulation or odor stimulation. The pain is mostly lateral and may be accompanied by nausea and vomiting, etc. The symptoms will gradually improve after a quiet environment or good rest. In addition, it may also be vasoneurotic headache, some patients may stimulate the blood vessels after smelling the odor, and the contraction and diastole dysfunction of the blood vessels may occur, which induces cerebral vascular spasm, thus the headache occurs. We should also pay attention to regular rest and relaxation, avoid staying up late, maintain a good state of mind, pay attention to room ventilation, keep the air fresh, strengthen physical exercise, improve our immunity, and avoid recurrent headaches. If severe headaches persist without relief, it is recommended to go to the hospital in a timely manner to improve head CT and other examinations to exclude cerebrovascular diseases.