Sitting without dizziness and walking with dizziness consider the possible existence of vertebral artery-type cervical spondylosis, cerebral blood supply insufficiency, otolithosis and other causes. 1. Vertebral artery cervical spondylosis: the main manifestation is due to the long time contraction of the neck muscles and lead to sitting without discomfort, get up and walk will appear headache, dizziness, neck discomfort. 2. Insufficient cerebral blood supply: mainly manifested as dizziness and headache due to insufficient cerebral blood supply, resulting from changes in body position. 3. Otolithiasis: also called benign paroxysmal positional vertigo, it is a common peripheral vestibular disorder characterized by positional vertigo with characteristic nystagmus. The main manifestations are vertigo, headache, nausea and vomiting symptoms when the body position changes. This symptom alone is not enough to diagnose the disease, and there may be other factors causing it. It is recommended that the patient consult a doctor in time to clarify the cause of the disease and give targeted treatment.