Hypertension has complicated pathogenesis.Because of the complexity,in this article the hypertension pathogenesis was divided into several different levels to discuss,which were basic pathogenesis,syndrome pathogenesis,symptom manifestation pathogenesis,disease pathogenesis and micro pathogenesis.The relationship between the above levels and the theoretic and clinical values of each level were analyzed.The significance of syndrome pathogenesis in the study on hypertension pathogenesis was emphasized.