Synopsis The present paper deals with medicinal importance of Crustacea, Fishes, Reptiles, Birds and Mammals and their uses as drugs by the tribal people of Sundarban. This work also includes the habitat of the species of Crustacea, Fishes, Reptiles, Birds, and Mammals used as medicine by the tribal people, the places of collection, parts of the animal used as medicine, method of preparation of medicine and the application of the same, the type of diseases cured and the name of tribes used as the medicine.