Hypertension is called secondary hypertension if it is caused by abnormal kidney function, renal artery stenosis and other diseases, which have a clear cause. If it is not caused by other diseases, it is called primary hypertension. Primary hypertension is considered to be related to atherosclerosis, the cause of which is not very clear, and is related to heredity, age, and poor lifestyle habits. If there is renal failure, renal artery stenosis, or pheochromocytoma, adrenal hyperplasia, etc., all may cause blood pressure increase, this secondary hypertension, need to actively treat the primary disease, some primary disease cure, hypertension may disappear. If primary hypertension, high risk factors include unhealthy diet high in salt and fat, sedentary exercise, abdominal obesity, smoking and drinking, high blood fat, diabetes, age, family genetics and other factors. There is also tension and anxiety. With these high-risk factors, an increase in blood pressure is likely to occur. After the occurrence of high blood pressure, you need to formalize to the cardiology department, formal treatment.