苍耳子为菊科植物苍耳 Xanthium sibi-ricum Pair.的干燥成熟带总苞的果实。不作药用的东北苍耳子为菊科植物东北苍耳X.mongolicum Kitag.的干燥成熟带总苞的果实。二者同科同属形态极为相似很难鉴别。对此有人曾用紫外光谱法做过鉴别研究。本文采 Xanthium sibiricum is the fruit of the dry ripe zone of Xanthium sibi-ricum Pair. The medicinal northeastern cocklebur fruit is the fruit of the dry ripening belt of the Japanese asteraceae Xanthium X.mongolicum Kitag. It is difficult to distinguish between the two families with the same genus. Some people have used UV spectroscopy to do the identification study. This article