The normal range of blood pressure for a 16-year-old boy is 90-140 mmHg systolic and 60-90 mmHg diastolic. 16-year-old boys are in a growth spurt and should maintain a good work schedule and a reasonable diet, stay up less, sleep about 8 hours, eat a diet rich in protein and calcium, and eat less fatty foods, such as fried foods. At the same time, keep the weight in a standard range, not too low or obese, strengthen physical exercise, and ask if there is a family history of hypertension, and pay attention not to stay up late, study under too much pressure, and exercise too little, all these factors can affect the change of blood pressure.