日本导演黑泽明曾经在《蛤蟆的油》里讲述了这样一个故事。他说,在日本的深山老林里,有一种浑身长满了脓包的癞蛤蟆,相貌极丑。人们抓到它们以后,就把它们放在镜子前,癞蛤蟆们看到了自己的相貌,都被吓出了一身油。人们把这些油收藏起来,就成了极其名贵的药材,这种油对于治疗伤痛效果极佳。 Japanese director Kurosawa once told such a story in Toad Oil. He said there is a kind of Toad covered in pustules in the deep forests of Japan, which looks ugly. After they have caught them, they are placed in front of the mirror, toad see their own appearance, have been scared of an oil. People put these oils together, it has become extremely valuable medicinal herbs, the effect of oil for the treatment of pain is excellent.