The difference between hypertensive encephalopathy and hypertensive crisis is the different pathogenesis, symptoms, etc. Hypertensive encephalopathy and hypertensive crisis are not the same disease. It is recommended to take medication on time and test your blood pressure regularly. 1. Pathogenesis: The pathogenesis of hypertensive encephalopathy is the increase of intracranial pressure and cerebral blood vessels caused by the dilation of small arteries in the brain, and even cerebral hernia; however, hypertensive crisis is due to the temporary spasm of small arteries all over the body, which leads to the obstacle of cerebral blood circulation. 2. Symptoms: patients with hypertensive encephalopathy will have convulsions, coma and other symptoms; patients with hypertensive crisis will have dizziness, nausea, blurred vision and other symptoms, and may even cause pulmonary edema, angina and other symptoms. The appearance of these two diseases are generally caused by hypertension is not well controlled, it is recommended to pay attention to their own high blood pressure status in normal times. If the body appears to be unwell, it is necessary to go to the hospital in time for examination and treatment.