“四大怀药”历史悠久,享誉中外,有“华药”之美称,“怀参”之功效,为历代皇朝的贡品,被医药学家称其为上品。怀药,因其产于河南的怀庆府故名,属道地药材。怀庆府为当今的河南焦作、沁阳、武涉、等市、县。“四大怀药”为怀地黄、怀牛膝、怀菊花、怀山药,在当地的太行山中,至今 “The four major medicines” have a long history and are renowned both at home and abroad. They have the good name of “Hua Yao” and the effect of “Huai Sen” is a tribute to ancient dynasties. Huaiyao, because of its name in Huaiqing Prefecture of Henan Province, is a genuine medicinal material. Huaiqing Prefecture is the current city of Jiaozuo, Xiangyang, Wushe, and other cities and counties in Henan. “The four major medicines” are Huai Di Huang, Ai Buji, Huai Chrysanthemum, and Chinese yam, in the local Taihang Mountains.