Cold head in winter is often seen in non-disease factors such as low room temperature, or disease factors such as cerebral blood supply deficiency, hypotension, hypothyroidism, etc. You should go to the hospital to determine the cause and then do targeted treatment. I. Non-disease factors: In winter, if the indoor heating equipment is not enough, in the case of low indoor temperature may affect the head and the body’s blood circulation, resulting in the symptoms of sleeping with a cold head, pay attention to keep warm and drink more hot water. Second, disease factors: 1, cerebral blood supply: due to long-term hypertension or cerebral atherosclerosis and other reasons lead to cerebral blood vessels gradually narrowed, occlusion, in the case of insufficient blood supply and oxygen supply to the brain may appear in winter when sleeping with a cold head, dizziness, headache and other symptoms. Should take aspirin, atorvastatin, ginkgo biloba extract and other drugs under the guidance of a doctor, usually participate in more outdoor sports, maintain a low-fat and low-salt diet; 2, hypotension: malnutrition, excessive loss of body fluids or blood and other causes of hypotension, may lead to a lack of blood volume in the body and symptoms of dizziness and head chills when sleeping, can also be accompanied by body chills. You should take the raw pulse drink as prescribed by your doctor and eat more nutritious food. If hypotension is caused by massive blood loss, blood volume can be replenished by blood transfusion to raise blood pressure; 3. Hypothyroidism: Patients with hypothyroidism caused by insufficient synthesis of thyroid hormones or significantly reduced hormones after thyroid surgery may suffer from swelling, unresponsiveness and chills due to slowed metabolism. Medications such as levothyroxine sodium tablets can be taken as prescribed by the doctor.