“蓂荚”是汉代学者张衡发明的世界第一台人工机械日历的名称,但是蓂英作为一种植物原本是不存在的,它是在特定历史条件下, 由许多以讹传讹的因素人为杜撰出来的。本文清理了有关蓂荚的来龙去脉,从中可以看出中国科学技术发生、发展的某些基本特征。 “Pod ” is the Han Dynasty scholar Zhang Heng invented the world’s first artificial mechanical calendar, but Ying as a plant did not exist in the original, it is under certain historical conditions, by a number of false assertiveness of human factors artificial fabrication from. This article has cleared up the ins and outs of the pods and can see some basic characteristics of the occurrence and development of science and technology in China.