If you have a headache in cold weather, first of all, pay attention to keep your head warm and wear a hat when you go out. Secondly, cold weather is easy to cause vasospasm, vasospasm can cause blood supply obstacles in the brain, which may cause cerebral ischemia and hypoxia. At this time the patient can appear headache, dizziness, nausea, vomiting, if necessary, should be given medication. If necessary, medication should be given. For example, ginkgo biloba drops or Cipro can be taken orally to improve blood circulation, and blood and brain granules can also be taken orally, and symptomatic pain medication can also be taken orally, and ibuprofen is the most commonly used medication. In addition, cold weather is easy to cause blood pressure rise, elevated blood pressure patients may also appear headache, should monitor the blood pressure, blood pressure should be given in time to lower blood pressure treatment. Commonly used blood pressure-lowering drugs include levamlodipine, amlodipine benzenesulfonate, valsartan, irbesartan, nifedipine extended-release tablets and nifedipine controlled-release tablets, enalapril and so on. In addition, cold weather is easy to cause neck and shoulder muscle contraction and spasm, which can involve the scalp neurovascular, at this time the patient can also appear headache, so when the weather is cold at the same time pay attention to the neck to keep warm.