Notes for hypertensive patients taking medication: 1. should not lower the blood pressure too fast and too low, do not rush, in order to avoid the aggravation of the lack of blood supply to the heart and brain, if it is not an emergency, should be gradually reduced in a few days, weeks or months; 2. do not casually change their own medication, increase the medication or suddenly stop; 3. adhere to the medication, do not miss the dose, maintain a stable blood pressure; 4. avoid the influence of other factors (such as heavy drinking, smoking, fatigue, staying up late, etc.) 4. avoid the influence of other factors (such as heavy drinking, smoking, fatigue, staying up late, etc.) to improve the efficacy of treatment. Li Chongjian, Department of Cardiovascular Medicine, Fu Wai Hospital, Beijing, China