The main difference between cerebral thrombosis and cerebral infarction lies in the following two points: I. Different pathogenesis: 1. Cerebral thrombosis: it is a condition caused by atherosclerosis, endarteritis and high blood viscosity, resulting in the local formation of thrombus in cerebral vessels and blockage of blood vessels. 2, cerebral infarction: it is a disease caused by embolism in other parts of blood vessels, such as thrombus attached to the wall of heart disease, thrombus in aorta and carotid artery in the form of atherosclerotic plaque dislodged, thrombus dislodged in pelvic and lower limb veins, fat embolism when fracture runs to the brain causing vascular embolism, mostly occurs in patients with heart disease. Second, the clinical symptoms are different: 1, cerebral thrombosis: cerebral thrombosis starts slowly, often during sleep or rest. Some patients have mild symptoms at first, and then gradually worsen, and even reach the peak 2-3 days after the disease. Coma is less common in patients, and the general symptoms are mild. There may be hemiparesis or unilateral limb paralysis, and there may be aphasia, and some patients have symptoms such as numbness of head or limbs. 2, cerebral infarction: the onset of the disease is rapid, often causing aphasia and hemiplegic sensory impairment mainly in the right upper limb, but coma rarely appears.