BACKGROUND: Because of requiring taking medicinelong-termly, many Patients with hypertension cannot perse-vere. Miseed taking and stopping taking without authorizationwhen blood pressure are stable or not controlled are active factorsin treatment effect. The blood pressure of some outpatients arenot controlled effectively and because of having subjectivesymptoms they hash t changed the kind and quantity ofmedicine. The blood pressure of some patients are not controlledeffectively after taking one kind of hypotensor, otherwise doctorshasnt adjusted treatment regime such as combined medicinetreatment in time.