Abstract
Objectives : Cho Wonhui published his book "Ounyukgi-Uihakbogam", in which Ungi was used for clinical purposes, but his life is hardly known. Conclusions & Conclusions : Cho Wonhui passed the Jinsa exam in 1894 and entered Seonggyungwan. Gojong recommended him to study medicine, and in 1907, he treated a person (later Taisho Emperor) who visited the Korea Empire and achieved his reputation. He was invited to Japan with this opportunity and received a degree from Meiji Emperor, a philosophical doctor of medicine. He passed the medical intern examination in 1923, and in 1938, he published the book "Ounyukgi-Uihakbogam". After 6 25, the Ceonundang oriental medicine clinic was opened in Busan and patients were treated. In 1963, he died at the age of 90.: This study met Cho Wonhui's descendants and talked about the life of Cho Wonhui and comprehensively summarized the related data.