There is no typology of primary hypertension, the specific statement should be divided into primary hypertension and secondary hypertension, the common people often say that hypertension is primary hypertension, accounting for more than 95% of the proportion, the mechanism of occurrence may be sodium, potassium ion imbalance, insulin resistance, sympathetic excitation, renin-angiotensin-aldosterone system abnormal activation, etc.. Secondary hypertension accounts for 5% of cases, and the mechanisms of its occurrence mainly include adrenal pheochromocytoma, aldosteronism, and renal vascular stenosis. If once diagnosed with hypertension, clear typing should take appropriate treatment measures, for primary hypertension commonly used in five categories of antihypertensive drugs, for secondary hypertension after taking surgery, blood pressure can be effectively relieved and controlled.