Earthworm defecation box

The invention relates to a device which is beneficial to discharging of intestinal contents of earthworm and aims to keep activity of the earthworm, realize large-batch discharging of intestinal contents, solve problems of earthworm activity decline, proneness to death and incompleteness in discharging and meet the demand on activity and the like of the earthworm in experimental researches. The device mainly comprises a cover, a barrel and a curved surface, wherein the cover is provided with holes, and the barrel varies in diameter and size vertically. 本发明涉及一种利于排出蚯蚓肠道内容物的一种装置；其目的是能够保持蚯蚓活性、可以大批量进行并且排净肠道内容物，解决蚯蚓活性降低，容易死亡，排出不干净的难题，满足试验研究中蚯蚓活性等等需求。装置主要包括带孔盖子、上下直径大小不一的圆筒和曲面。