Symptoms of tightness of the scalp at the top of the head may be related to poor local blood circulation, which may be related to insufficient blood supply to the brain, cerebral vascular spasm, cerebral ischemia and hypoxia. If you usually have symptoms of headache, dizziness, insomnia, excessive dreaming, tinnitus, numbness of limbs or restricted movement, it may be related to cerebrovascular diseases, such as cerebral infarction and cerebral thrombosis. Tightness and numbness of the scalp at the top of the head may also be related to elevated blood pressure and dyslipidemia. If insomnia, lack of sleep or poor quality of sleep for a long time leads to insufficient blood supply to the scalp, it may also lead to tightness and numbness of the scalp. If you have sneezing, runny nose, nasal congestion and other symptoms, it may be related to cold and flu, you can do local hot compresses to promote blood circulation, or you can go to the hospital to check and determine the cause before treatment.