Two specimens of Myotis formosus were collected at the Shiyan cave in Liping village of Jinggangshan Nature Reserve in Jiangxi Province.The findings shows Jiangxi is a new locality records of this species.The two bats were described detailedly and compared with specimens of other regions.In addition,according as the characteristics of echolocation calls,it is speculated that M.formosus may prey upon medium-sized insects in relative open space.