北京地区从元朝以来一直是全国政治、文化中心,名医云集,使用的中药荟萃了各地中药之精华,其质量是很讲究的。在中药商业发展中,北京使用的中药也是有变化的,由于一些客观原因,有的中药品种发生了变化,如上世纪60年代前,北京应用的地丁为紫花地丁,60年代末期直到现在使用的地丁为“苦地丁”;有的中药品种由于资源问题而失 Since the Yuan Dynasty in Beijing, Beijing has always been a center of politics and culture in the country. Famous doctors and doctors used traditional Chinese medicine to get a glimpse of the essence of Chinese medicine all over the country. Its quality is very particular. In the commercial development of traditional Chinese medicine, the traditional Chinese medicines used in Beijing are also changed. For some objective reasons, some traditional Chinese medicines have undergone changes. For example, before the 1960s, Beijing’s ding d was Violet D, until the late 1960s until now Of the D for “Bitter D ”; some varieties of Chinese medicine due to resource problems and lost