People with high blood pressure generally do not have obvious self-conscious symptoms, and those who have symptoms are generally most commonly dizziness and headache. It may also cause heart disease, cerebrovascular disease, renal disease and other complications, which may lead to symptoms such as chest tightness, speech or movement disorders, edema, etc. Hypertension in pregnancy and hypertension in infants and young children have their own special performance. 1. General Symptoms: When blood pressure is elevated, the most common manifestations are dizziness, headache, etc. Sometimes there may be panic, chest tightness, fatigue and other symptoms of chest discomfort. 2. If there are complications of hypertension, there will also be symptoms of discomfort in the corresponding organs. (1) Heart disease: high blood pressure may cause hypertrophy of heart muscle, decline of heart function, dyspnea after activity, or even chest tightness and chest pain during activity or excitement. (2) Cerebrovascular disease: Hypertension affects the health of cerebrovascular, and if it is complicated by stroke, symptoms such as slurred speech, weakness in limb movement or even loss of motor function may occur. (3) Symptoms related to kidneys: when hypertension causes hypertensive nephropathy, proteinuria may appear first, which is manifested as increased urine foam; subsequently, symptoms such as edema and elevated blood pressure may appear. 3. Hypertension in special period: the main symptoms of hypertension in pregnancy are increased urine foam, edema, and in severe cases, convulsions, coma or even death. Hypertension in infants and young children can be characterized by irritability, over-excitement, shrill crying at night and growth retardation. When blood pressure is elevated, the presence or absence of symptoms should not be used as a basis for treatment, and hypertension without symptoms should be treated actively in accordance with medical advice.