The symptoms of headache when thinking about things may be related to insufficient blood supply to the cerebral arteries caused by cerebral artery spasm. The cerebral arteries are sensitive to hypoxia and can cause dizziness, headache, and numbness of the limbs when the cerebral arteries have insufficient blood supply. It is triggered by cold, excessive mental stress and emotional excitement. Headache caused by neurasthenia, neurasthenia can cause plant nerve dysfunction, causing symptoms such as headache, insomnia and weakness, which are related to excessive mental and psychological stress and emotional instability. Migraine, trigeminal neuralgia, cerebral infarction and other diseases can cause headache. When symptoms of headache appear, it is better to check cerebrovascular ultrasound in hospital. Rest on time, do not stay up late, ensure sufficient sleep, ensure sleep quality, do not give yourself too much psychological pressure, eat lightly, combine work and rest.