The symptoms of dizziness when leaning back are usually related to cervical spine diseases, and when patients with cervical spine diseases lean back, because of poor local blood circulation, it can lead to insufficient blood supply to the brain, insufficient blood supply to the vertebral basilar artery, resulting in dizziness and other uncomfortable symptoms; 2. If the symptoms of dizziness usually occur, head CT, cervical spine CT, carotid ultrasound and other tests can be done to choose a reasonable treatment for the cause; 3, dizziness when leaning back may also be related to blood pressure, high blood pressure or low blood pressure patients, postural changes may lead to dizziness; 4, leaning back dizziness may also be Meniere’s syndrome, if the symptoms of dizziness are obvious, you should go to the hospital for examination and treatment .