If the blood pressure is high or low, and lifestyle modification is not effective, you need to take antihypertensive medication as prescribed by your doctor. If it is a physiological situation, there is no need to eat. Clinically, normal adults can be diagnosed as hypertensive if the average value of their blood pressure exceeds 140/90mmHg on three occasions not on the same day in a quiet state. Usually the human body’s blood pressure will be with the change of lifestyle, thus appear normal physiological fluctuation, so appear high and low situation. If hypertension is diagnosed, the first step is to make lifestyle changes for intervention, such as reducing fat and sodium intake, quitting smoking and limiting alcohol consumption, avoiding late nights and excessive mood swings, etc. If control is ineffective, medication is needed. If control is ineffective, medication is needed. If the blood pressure appears to be high or low, it is recommended to consult the cardiovascular medicine department in time, under the guidance of the doctor for treatment and adjustment of drugs.