Migraine with nausea and vomiting may be caused by the following reasons: a. Migraine with nausea and vomiting is a kind of moderate or severe throbbing headache, which will be accompanied by nausea and vomiting when the migraine is severe. Second, migraine with nausea and vomiting may be caused by intracranial lesions, such as intracranial infections and intracranial tumors, which may cause migraine with nausea and vomiting. It is suggested that patients should improve cranial CT or magnetic resonance examination and lumbar puncture examination if necessary. Third, migraine with nausea and vomiting may be caused by hypertension, hyperemesis and other diseases, so it is recommended that patients go to the hospital as soon as possible for examination to clarify the diagnosis.