The symptoms of tight hair are more common, usually due to anxiety, exertion, hypertension, tension headache and other reasons, can be analyzed from the following aspects: 1, anxiety, exertion: if long-term low head work, overwork, mental anxiety, can lead to tight hair, usually accompanied by a sense of head swelling; 2, hypertension: if the patient’s hair is tight at the same time, high pressure ≥ 140mmHg or low pressure ≥ 90mmHg. Usually the head performance caused by hypertension, mainly due to high blood pressure leading to tension in the blood vessel wall, thus causing a tight and swollen feeling in the head, which can be accompanied by headache; 3, tension headache: work and life stress, long-term insomnia, easily lead to tension headache, the head can have a sense of tightness, pressure, heaviness, can be accompanied by dull pain or swelling; 4, chronic inflammation of the capillary tendon membrane: patients usually feel heavy head, with pressure feeling, sometimes like wearing a hat. The appearance of this disease is related to cervical spondylosis and straightening of the physiological arc of the cervical spine, and many patients will be combined with anxiety.