There are many causes of dizziness after reading a book, the common causes are mainly the following: First, prolonged concentration on reading a book can easily lead to cerebral ischemia, hypoxia, causing insufficient blood supply to the cerebral arteries, symptoms of dizziness, headache, without excessive treatment, timely rest, can relieve eye fatigue to improve the symptoms. Second, prolonged head-down reading can easily induce cervical spondylosis, cervical muscle strain can be compressed as a vascular nerve, causing dizziness, nausea, vomiting, pay attention to strengthen the protection of the cervical spine in daily life, through traditional Chinese medicine physiotherapy such as acupuncture, traction, massage and other ways to improve the symptoms. Third, prolonged reading can lead to eye fatigue, easily cause dizziness, headache, dry eyes, can be hot compresses on the eyes to accelerate blood circulation, relieve eye fatigue, the use of pearl eye drops to relieve eye dryness.