A low pressure of 80mmHg high pressure of 120mmHg is generally considered normal. For normal adults, blood pressure values should be less than 140/90mmHg, while high values of normal blood pressure refer to a systolic blood pressure between 120-139mmHg and a diastolic blood pressure between 80-89mmHg. For normal ideal blood pressure, it refers to blood pressure below 120/80mmHg, for low pressure 80mmHg high pressure 120mmHg, often belongs to normal blood pressure. It is recommended to pay attention to a low-salt, low-fat diet, quit smoking and limit alcohol, exercise properly, and maintain an optimistic, positive and upward-looking attitude toward life. In addition, we should pay attention to maintain a healthy weight, as well as reduce stress as much as possible, usually do a good job of monitoring blood pressure, heart rate, lipids, blood sugar, and if necessary, timely and systematic treatment in the hospital.