Gastrodiscoides hominis is a zoonotic helminth parasite belonging to a class of flatworms Trematoda. This is the only species in the genus Gastrodiscoides.It is primarily an intestinal fluke of pig, but also infect other vertebrates including human. In fact the first specimen was described from human subject in 1876, and constitute an important parasite of human in Bangladesh, India, Burma, China, Kazakhstan, Philippines, Thailand, Vietnam, and Volga Delta in Russia. In India, it is particularly rampant in Assam, Bengal, Bihar, Madhya Pradesh, Orissa and Uttar Pradesh. Isolated cases are also reported from Africa, such as Nigeria.