The range of blood pressure for a normal person is generally less than 140 mmHg for systolic pressure, which is high pressure, and less than 90 mmHg for diastolic pressure, which is the normal range of blood pressure for a normal person. The fluctuation of blood pressure is generally related to the following points, namely gender, age, genetic factors and the usual dietary habits have a relationship, obesity, high-fat diet than ordinary normal people have a 2-5 times greater risk of hypertension. Once hypertension occurs, it is necessary to treat it regularly, regularly and quantitatively, give hypertension medication, measure blood pressure 2-3 times a day, and increase or decrease the amount of antihypertensive medication and adjust the dosage by the fluctuation of blood pressure.