Study on Blood-letting in Zhouhoubeijifang

Zhouhoubeijifang is the first prescription book of the emergency treatment in TCM ancient books,which had not only recorded lots of simple,convenient,cheap and effective prescription,but also had a certain recognition about the role of Blood-letting in first aid.This article will study something about the bloodletting instruments,the bloodletting points,bloodletting volumes and bloodletting indications in zhouhoubeijifang.