Tightness in the head is considered to be related to tension headache, mental factors, insomnia, cervical spondylosis, and insufficient cerebral blood supply. 1. Tension headache: at the onset of this disease, patients have obvious tightness in the head, dull pain in the head, drowsiness, accompanied by nausea, vomiting and other symptoms. 2. Mental factors: when accompanied by anxiety and depression, patients may also have obvious tightness in the head, accompanied by indifference, irritability, irritability, lack of concern for family members and other symptoms. 3. Insomnia: when the patient does not sleep well, there may be obvious tightness in the head, frequent yawning, sleepiness and other symptoms. 4. Cervical spondylosis: seen in sympathetic cervical spondylosis, when the onset of patients have obvious tightness, and accompanied by dizziness, headache, chest tightness, palpitations and so on. 5. Insufficient cerebral blood supply: due to insufficient cerebral blood supply, cerebral ischemia and hypoxia, patients may also consciously have the symptom of tightness in the head. If the tightness in the head continues to be unrelieved, it is recommended to go to the Neurology Clinic of the hospital to clarify the cause of the disease and then use medication under the guidance of the doctor.