Here refers to the conditions for declaring a special type of hypertension outpatient, which varies from region to region. The conditions for declaring a special type of hypertension in Fujian province are to meet the diagnostic criteria for hypertension, which can be declared as a special type of hypertension. In Liaoning Province, the conditions for declaring special diseases of hypertension, in addition to meeting the diagnosis of hypertension, also need to have clinical complications or target organ damage before they can be declared, such as hypertensive patients with combined cerebral hemorrhage, cerebral infarction or combined chronic renal failure, cardiac insufficiency, myocardial infarction, fundus hemorrhage, meet these conditions for special diseases of hypertension chronic disease.