The Han medical bamboo slips unearthed from Wuwei County,Gansu Province in 1972 included 2 kinds of bamboo slips and a wooden tablet,written with li calligraphy and zhangcao script.The bamboo slips was organized and bound as a series,while the wooden tablet wasn' t.The contents were related to medical recipes,almanacs and price of drugs.Various phenomena reflected that these slips and tablet were not merely a whole book or materials,and the Zhi bai bingfang was but a tide of one of the bamboo slips.However,Wuwei Han dai yi jian and Zhi bai bing fang sometimes were regarded as an identical one in some teaching materials of History of Chinese Medicine or reference books,which was an incorrect and one -sided information,and should be corrected.