If headache and dizziness occur when the weather is too cold, the following aspects need to be elaborated. First, from the perspective of Chinese medicine, this is due to the weakness of the body, cold and dampness into the body and lead to, usually mainly female patients, women such as kidney qi is too weak, too weak or qi deficiency, blood deficiency will appear the above clinical symptoms. Secondly, from the perspective of Western medicine, dizziness and headache will occur when the weather is too cold, which is often related to insufficient peripheral blood supply. At this time, it is common for patients to have incomplete peripheral blood supply, poor capillary circulation or short-circuiting of arteries and veins. Third, for example, arteritis, aortitis, or because of vascular diseases such as Raynaud’s disease, etc., there will be cold weather dizziness, headache. Fourth, the symptoms of cerebral blood supply insufficiency, usually have a history of cerebrovascular disease, such as cerebral hemorrhage, cerebral infarction sequelae of patients, or patients with cerebrovascular accidents, strokes, will appear when the cold weather dizziness, headache clinical symptoms.