Usually, the factors affecting blood pressure are as follows: 1, first of all, the nervous system will have an obvious effect on blood pressure, for example, blood pressure will lead to an increase when the sympathetic nerve is excited; 2, the endocrine system will also cause fluctuations in blood pressure, when there are dysfunctions and disorders of the internal environment in the neurohumoral-endocrine axis system, for renin-angiotensin-aldosterone system secretion increases and activation, all will cause 3, for some factors that can cause sympathetic nerve fluctuations, will also lead to increased blood pressure, such as excessive mental tension, fatigue, poor rest and sleep, excessive stress, a lot of smoking, drinking alcohol, drinking strong coffee, strong tea, etc. blood pressure will also have an impact; 4, and finally, for cardiogenic factors, such as increased cardiac output, increased peripheral cardiovascular resistance, aortic elasticity These factors can also lead to an increase in blood pressure.