High blood pressure but no symptoms, because the body has a certain tolerance, the increase in blood pressure is a long process, in which the body gradually tolerate, can be symptomless. Asymptomatic hypertension a slowly developing disease, blood pressure is the pressure generated by the impact of blood on the walls of blood vessels. An increase in this pressure for a variety of reasons leads to an increase in blood pressure. If there is a sudden increase in pressure, the body is more sensitive in its perception and may experience a range of typical symptoms of high blood pressure such as dizziness and headaches. However, if the process is long and the impact of the blood on the blood vessels gradually increases, the human body slowly adapts to the situation as the condition slowly progresses, so no symptoms appear. Patients should not think that there is no feeling of high blood pressure, that there is no harm to the human body, regardless of whether the patient has no symptoms, as long as the monitoring of the blood pressure is high, in line with the clinical diagnosis of hypertension standards, should be required to carry out lifestyle interventions, and if necessary, to take antihypertensive drug therapy. However, the specific choice of drugs to take, need to be under the guidance of a doctor, can not blindly take drugs.