If there is a persistent feeling of dizziness in the head, the following two diseases need to be considered: 1, chronic cerebral blood supply insufficiency, commonly found in the elderly, patients also have smoking, drinking and other bad habits or hypertension, diabetes mellitus, hyperlipidemia and other underlying diseases, which will lead to the patient’s blood vessel aging, there is significant atherosclerosis, accompanied by plaque formation, and part of the stenosis, or even occlusion of the multiple. Poor vascular conditions will significantly affect the blood supply to the brain, in the long-term chronic ischemia, hypoxia will have persistent dizziness and drowsiness. 2, chronic myofasciitis or tension headache, this disease has no age limit, most often seen in the emotional anxiety or long-term head down work of the crowd. A history of cervical spondylosis leads to tension in their neck muscles, and the capitellar tendon membrane of the scalp is also pulled, producing chronic tension and inflammation, leading to a feeling of tightness and heaviness in the head, and the symptoms tend to persist.