Sudden normalization of high blood pressure for many years should first rule out disease problems, such as the presence of inferior or anterior wall myocardial infarction, which results in a drop in blood pressure due to reduced cardiac output and decreased myocardial contractility. There are also patients with heart failure who also experience a drop in blood pressure, so these manifestations are signs of aggravation of the disease and should be brought to your attention. Another condition is due to long-term use of antihypertensive drugs. Anti-hypertensive drugs are now slow-release preparations, forming a stable blood concentration in the body, if the patient stops taking the drug in the short term, the blood pressure may still be monitored in the normal range, indicating that the effect of the drug can still continue to play a certain role in lowering blood pressure in the body. If patients find their blood pressure is normal, randomly stopping the drug will soon increase blood pressure, blood pressure rebound has a certain impact on the patient’s body. If the monitoring of blood pressure is normal, you can not just stop the medication, you can go to a professional clinic to ask a specialist to adjust the medication. Through strict control of sodium and salt to actively change the poor lifestyle, or long-term persistent physical exercise, so that mild to moderate hypertension reduced, or some patients back to normal. However, normal blood pressure, patients should be monitored frequently, there may be a rebound or unstable performance of blood pressure, which needs the attention of patients with hypertension.