Insufficient blood supply to the heart and brain can be manifested as dizziness, impaired limb movement, unfavorable speech, chest tightness and chest pain. 1. The performance of cerebral blood supply insufficiency: the symptoms of cerebral blood supply insufficiency are various, some patients have cerebral arteriosclerosis and blood supply insufficiency, but there can be no symptoms. Cerebral blood supply insufficiency can be manifested as dizziness, and if cerebral infarction occurs, there can be impaired limb movement, unfavorable speech and other manifestations, and coma can occur if the condition is serious. 2. Insufficient blood supply to the heart: Insufficient blood supply to the heart often manifests as chest tightness and chest pain after activities, and myocardial infarction can occur in serious conditions, manifesting as persistent and serious chest pain. Insufficient blood supply to the heart and brain is a manifestation of arteriosclerosis, and if the symptoms are obvious, you should go to the hospital in time to diagnose the severity of the disease under the guidance of the physician and give the correct guidance under the guidance of the physician.