The head is clouded due to several reasons: 1, cervical spondylosis is due to improper sitting posture, long-term ambulatory work, looking down at the phone leading to cervical spine physiological curvature straightening, intervertebral disc protrusion compression of vascular nerves, insufficient blood supply symptoms. 2, hypertension, long-term hypertension leads to arteriosclerosis, elasticity becomes poor, insufficient blood supply to the brain leads to head clouded symptoms. 3, cerebral infarction, cerebral vascular blockage, insufficient blood supply to the brain will appear head clouded symptoms, such as unfavorable speech, one side of the limb strength weak, coma, life-threatening. Symptoms such as unfavorable speech, weakened strength of one limb, unconsciousness and life-threatening. 4, cold, cold leads to nasal congestion, obstructed breathing, poor ventilation, and slight lack of oxygen to the brain will lead to head clouding symptoms. 5, diabetes, long-term diabetes leads to systemic vascular atherosclerosis, plaque, etc., the brain vascular obstruction, ischemia, lack of oxygen to lead to head clouding, treatment should be based on different causes. Relief of cervical spine compression, lowering pressure, lowering sugar, treatment of colds, anti-platelet aggregation, etc.