This study was carried out to investigate number of items of oriental drugs which were widely used in Korea, their origins and amounts of consumption. Number of the botanical drugs which have been used at the Kyung Hee Medical center during the past four years from 1971 to 1974 were 282 items. Of these drugs original plants were 280 kinds. They include 9 formas and varieties, 271 species, 231 genera and 102 families. Among these items, Coicis Semen was used with the highest amounts in consumption and Calophyllum was with the lowest.