Compound Prunella Vulgaris is a nosocomial prescription which has good antihypertensive effect, and has been used for many years. Based on the theory of traditional Chinese Medicine, it is very important significance to study the antihypertensive site from Compound Prenella Vulgaris for the research and application of preparation, combined with modern production technology and methods.In our research, there are four major groups: process optimization, activity screening, chemical constituents and finger-pri...