In this study my attention is centered on the plants of Ranunculaceae produced in Korea. I have proceeded to review the theses and writings on herbalogy from the ancient, modern and present times, and the conclusions are as follows ; 1) There are totaled to 208 kinds of plants of Ranunculaceae in Korea and among them medicinal plants are 108, but can be added in number for plants are likely to be the same in family. 2) According to the oriental names which can be used for medical purpose the medicinal plants belonging to Ranunculaceae are classified into 52 kinds of medicine such as Radix 20, Herba and Radix 8, Herba, Rhizoma 6, Flos 4, Folium 2, Radix and Lignum 2, Lignum 1, Cortex 1, Semen 1. Thus it is noticed that the number of the kinds of Radix is the most of all. 3) Among Ranunculaceae plants totaled to 208 kinds, plants of Aconitum are 46. Clematis 37, Ranunclus 25 get 22%, 18% and 12% each. It is considered that, among medicinal plants totaled to 128 kinds, Aconitum plants get about 36%. 4) RADIX ACONITI LOCZYANI in korea is a noxious plant belonged to Aconitum and it misuses as substitute for a innoxious plant RADIX GENTIANAE MACROPHYLLAE be longed to Gentiana, Gentianaceae. 5) In origin plants for individual medicines, RADIX ACONITI are 40 kinds, the most of all, and the others, RADIX PAEONIAE LACTIFLORAE, RADIX CLEMATIDIS, 7 kinds each. 6) According to efficacies of medicine, febrifugal and detoxicant drugs are 17 kinds, antiphlogistic drugs 15, invigorating blood circulation and eliminating blood stasis drugs 10 Thus it is noticed that they could be used for febrifugal and detoxicant, antiphlogistic and invigorating blood circulation and eliminating blood stasis drug mostly. 7) Additionally the number of noxious plants are 69 kinds and it gets 54 % of 128 medicinal kinds. It is expected that they are used in a clinic with care. In this study is has revealed that drugs belonged Ranunculaceae in Korea yet are not dear in their properties, they also are not used in a clinic so that must be studied continually. And origin plants must be gone deep in to a comparative study, that will do much for developing of traditional medicines.