The family Platygastridae is a large group of parasitoid wasps, generally have a small body size (1-2mm). Platygastidae comprised of 5 subfamilies (Platygastrinae, Sceliotrachelinae, Scelioninae, Teleasinae, and Telenominae). Until know 6,049 species in 265 genera are reported around the world except polar regions and 96 species in 26 genera are reported from Korea. This study contains general information of Platygastrid wasps as a candidate of effective natural enemy, also provide high resolution photography to identify Korean Platygastid wasps at the genus levels.