Elderly people with headaches and sweating may be caused by hypoglycemia, cervical spondylosis, cerebrovascular disease and other reasons. 1. Hypoglycemia: When there is hypoglycemia in the elderly, there is insufficient supply of energy to the brain, which may lead to headache, sweating, pallor, general weakness and other symptoms. 2. Cervical spondylosis: If the elderly suffer from cervical spondylosis, cervical spondylotic hyperplasia or cervical disc herniation will easily compress the vertebral artery, nerve root, etc., resulting in headache, sweating, dizziness and other symptoms. 3. Cerebrovascular disease: when the elderly suffer from cerebral infarction, cerebral hemorrhage and other diseases, there may be sudden headaches, sweating, nausea and vomiting, dizziness and other symptoms, accompanied by speech disorders, hemiplegia and other symptoms. Elderly people with headache and sweating may also be caused by other reasons. The patient should go to the hospital in time, clarify the cause of the disease and follow the doctor’s instructions for treatment.