Multiple ischemic foci in bilateral frontoparietal lobe means ischemic foci formed because of ischemia and necrosis of local brain tissues due to sclerosis and occlusion of small arteries in frontoparietal lobe. The diameter of ischemic foci is very small, not more than 3mm, ischemic foci are not in the main neurological function area of the patient, so clinically the patient will not have obvious symptoms, signs, these are called ischemic foci, the main reason for the formation of hypertension, diabetes mellitus, hyperlipidaemia, smoking, drinking alcohol and other bad lifestyle, resulting in patients with cerebral arterial sclerosis, especially small arteries of the hardening of the brain caused by. To address this situation, patients should usually initiate secondary prevention of cerebrovascular disease to avoid the aggravation of cerebral atherosclerosis. When multiple lacunar cerebral infarction infarction foci are formed, patients will also show lacunar state, with symptoms such as strong crying and laughing, decreased intelligence, and clumsy movement of limbs.