Dizziness and headache are very common symptoms in clinical practice, and the causes are mainly the following: 1. To be considered a functional disease, this category of patients usually results from mental factors such as more nervousness and stress, and patients usually have symptoms such as insomnia, emotional irritability, chest tightness, panic and shortness of breath. Patients also have stiffness and discomfort in the neck or pain and discomfort in the back of the shoulder. This type of patients lack physical exercise, which may lead to continuous muscle spasm in the head and neck and no way to relax, resulting in insufficient blood supply to the brain after compressing the blood vessels in the head and neck. Because of atherosclerosis of the brain, chronic insufficiency of blood supply and oxygen supply to the brain tissue, and hypertension, all will lead to a decrease in brain function and symptoms of dizziness and headache, which are usually easily induced when the patient is sleep deprived and tired.