《中国药典》90年版制草乌项下规定,“取净草乌,大小分开,用水浸泡至内无干心,取出,加水煮沸至取大个切开内无白心,口尝微有麻舌感时,取出,晾至六成干后,切薄片,干燥。”作者查阅了大量乌头类文献,认为该制法项中有两点欠妥:1.取消了炮制过程中的煮沸时间。作者经过试验,只要草乌浸泡至内无干心,一般只需煮沸2小时即可达到内无白心的要求。口尝法虽然较敏感,只要原生药中含 “Chinese Pharmacopoeia” under the 90-year version of the grass and the Uzbekistan provisions, "Pick net grass Ukraine, the size of separate, soaked in water to no heart, remove, add water to boil to take a large cut within the white heart, mouth taste slightly Ma Tong When feeling, take out, dry to 60% dry, cut thin slices and dry.” The author reviewed a large number of aconite literature, that there are two points in the method of preparation: 1. Cancel the boiling time during processing. After the experiment, the authors only need to boil for 2 hours to achieve the requirement of no white heart, as long as the grass and oysters are soaked and have no dry heart. Although the oral taste method is more sensitive, as long as the original drug contains