The patient’s right side headache, want to vomit may have the following reasons, pay attention to the combination of headache range, nature, accompanying symptoms to analyze: 1, if the patient has a history of migraine, now manifested as episodes of throbbing pain, consider that it is caused by migraine. The patient may be in a bad mood, poor sleep or dietary problems caused by the stimulation, consider migraine. 2, if the patient has a cold, catching a cold may also cause the symptoms of the right side of the headache, want to vomit. 3, the patient’s right side of the headache, want to vomit, if the symptom persists and the headache progresses gradually, aggravation, a relatively long period of time, can not be ruled out intracranial tumors, intracranial occupation of disease. The patient should improve the head CT, head magnetic resonance examination to clarify.