The general rules of hypertension prevalence in China are:1 the prevalence of hypertension is proportional to age;2 the prevalence of hypertension is lower in women than in men before menopause and higher in men after menopause;3 there is a geographical distribution pattern, with the prevalence of hypertension higher in high latitude (cold) areas than in low latitude (warm) areas; and higher in high altitude areas than in low altitude areas.4 there are seasonal differences in the same population, with the prevalence higher in winter than in summer.5 it is related to dietary habits. The blood pressure level is higher in people who eat too much salt and high-fat diet; the blood pressure is higher in people who drink a lot of alcohol than in those who do not drink or drink less.6 It is related to the level of economic and cultural development; the more developed the economy and culture, the higher the blood pressure level.7 It is related to the degree of obesity, mental stress and physical activity; i.e., the fatter the person is, the higher the mental stress and the lower the physical activity, the higher the blood pressure level.8 Hypertension has a certain genetic basis, and the blood pressure level of children is related to the blood pressure level of their parents. The blood pressure levels of children are related to the blood pressure levels of their parents; there are also some differences in blood pressure levels between different races and ethnic groups. Understand these characteristics and manage your blood pressure well.