Qi,blood and essence are the essential substances for human life activities in the theory of Tujia medicine,and the three things interdependent,restrict each other and reciprocal transformation.Therefore,a variety of"Qi"and"blood"medicine among Tujia herbs are used to maintain"Qi-blood balance",Among them,the medicine called"blood"has the functions of promoting wind,activating blood circulation,dispersing stasis,detumescence,stopping bleeding and relieving pain.This article studies the properties,efficacy,category,modern pharmacological research of"blood...