Fasciola brucei (Lankester, 1857) Odhner, abbreviated as 1902, is a kind of large trematode parasitic on human small intestine, which can cause brucellosis of Fasciola brucellosis, with huge adult, red flesh, thick body, oval shape, flat back and abdomen, narrow front and wide back. Experiments show that Fasciola zingiberensis cercaria can form cysts on the water surface. If this happens in natural water, drinking raw water may lead to infection. There are ginger worms in the water chestnut.