Blood pressure of 165/105mmHg is more serious. Blood pressure 165/105mmHg belongs to the second level of hypertension, the diagnostic criteria for the second level of hypertension is systolic blood pressure 160~179mmHg or diastolic blood pressure 100~109mmHg, long-term second level of high blood pressure may cause headache, arrhythmia and damage to the target organs in the body, etc., need to control the blood pressure in a timely manner, you can use captopril, amlodipine, valsartan and other drugs to reduce the blood pressure. Daily attention should be paid to low-salt and low-fat diet, reduce salt intake, diet to light, appropriate physical exercise, enhance physical fitness, daily monitoring of blood pressure, medication please follow the doctor’s instructions.