《易·系辞下》有“断木为杵，掘地为臼”之句，指出从黄帝、尧、舜时起，先民们便已懂得用臼和杵来舂米。而仲景书中“……纳臼中，与蜜杵两千下”（乌梅丸制法）及诸多的“杵为散”之句，则表明了彼时臼和杵已被广泛用来加工药物，使药物成为粉末状或糊状。至于仲景所用的臼 Under the “Easy Cohesion”, there are sentences for “Break the wood and excavate the earth and dig the land.” It is pointed out that from the time of the Yellow Emperor, the Pei, and the Qiang, the ancestors had already understood how to use rice dumplings and glutinous rice. In Zhongjing’s book, “...in Nayong, with two thousand candied fruits” (Wumei pill method) and lots of sentences of “Yaoweisan”, it shows that the time and the time have been widely used for processing. Drugs make the drug powder or paste. As for the use of Zhongjing