当归首见于《本草经》,是古今临床广泛应用的药物,现代主要用来补血活血,调经止痛,润肠通便。但是在考察其功能时却可发现,历代本草学记载当归的许多功用主治在古今临床应用时已有很大差别。一些功能主治保留下来,另有一些则不再使用,尚有突破当归传统功能扩大应用的情况。于是, Angelica first seen in the “Materia Medica”, is a widely used ancient and modern clinical medicine, mainly used to blood and blood circulation, menstruation analgesic, laxative. However, when examining its function, it can be found that many functional indications recorded in ancient Chinese herbal medicine have been widely different in ancient and modern clinical applications. Some functions remain under the main rule, while others are no longer used, there are still broken through the traditional functions of angels to expand the application of the situation. then,