目前,我省临床使用的清半夏,是按《河南省中药材炮制规范》(修订本)所载方法炮制的。在加工过程中,由于半夏颗粒小,不易切片,常加入适量面粉与半夏拌匀,制成团块后切片。这种方法所切饮片中混有大量的面粉末,加工单位为了追求经济效益,往往不经过筛就供临床使用。而使用单位怕增加损耗 At present, the Qing Banxia clinically used in our province is processed according to the method set out in the “Guidelines for Processing Chinese Medicinal Materials in Henan Province” (Revised Edition). In the process of processing, due to the small particles of Pinellia, not easy to slice, often add the appropriate amount of flour and Pinellia mix, made after the lump. In this method, a large amount of noodles are mixed in the decoction pieces, and the processing unit often does not pass the screening for clinical use in order to pursue economic benefits. The use of the unit is afraid of increasing the loss