If a patient has chronic dizziness due to anemia, eating jujube can help. 1. Jujube is rich in vitamins and has a high iron content, which can improve the hemoglobin content of the patient’s blood by eating jujube as a form of dietary therapy, which can improve the patient’s anemia, thus increasing the patient’s ability to carry oxygen and enriching the cells and blood of the brain tissue. So there are benefits. 2. If the patient’s cerebral insufficiency is not caused by anemia, eating jujube will not be useful. Most patients with cerebral insufficiency are suffering from narrowing of blood vessels due to various pathologies, thus causing ischemia and hypoxia changes in brain tissue. Patients usually in life diet, it is recommended that you can eat Panax ginseng powder to improve blood supply better.