The study is written for the purpose of examining Na Cheon Ik(羅天益)′s medical ideology mentioned in Euian(醫案) of『Wi-saeng-bo-gam 衛生寶鑑』. The publication of this book is reflected in the 13th century perplexed conditions. In this thesis, after the writer analyzed Na Cheon Ik(羅天益)′s medical theory in『Wi-saeng-bo-gam 衛生寶鑑』, knew that he emphasized practical use on all occasions. So far, Na Cheon Ik(羅天益)′s medical ideology in『Wi-saeng-bo-gam 衛生寶鑑』is hardly studied.『Wi-saeng-bo-gam 衛生寶鑑』is a medical book which was written in the process of systemic recognized of medical theories of various and special academic parties in the period JinYuan(金元). The medical theory that appears in『Wi-saeng-bo-gam 衛生寶鑑』is rooted in Li Dong Yuan(李東垣)′s theory, but also Na Cheon Ik(羅天益)′s medical ideology is distinguished from Li Dong Won(李東垣)′s ideology. First of all, Na Cheon Ik(羅天益) recognized the importance of discerning not only On-Bo(溫補) but also Han-Ha-To(汗下吐) and various ways in medical treatment. Secondly, the fact that Na Cheon Ik(羅天益) made good use of moxibustion tells the difference between the two. In conclusion,『Wi-saeng-bo-gam 衛生寶鑑』holds systemic medical information which was originated with Na Cheon Ik(羅天益)'s various and special experience. He had contributed in the clinical experience and medical information by having an effect on the ages to come.

The study is written for the purpose of examining Na Cheon Ik(羅天益)′s medical ideology mentioned in Euian(醫案) of『Wi-saeng-bo-gam 衛生寶鑑』. The publication of this book is reflected in the 13th century perplexed conditions. In this thesis, after the writer analyzed Na Cheon Ik(羅天益)′s medical theory in『Wi-saeng-bo-gam 衛生寶鑑』, knew that he emphasized practical use on all occasions. So far, Na Cheon Ik(羅天益)′s medical ideology in『Wi-saeng-bo-gam 衛生寶鑑』is hardly studied.『Wi-saeng-bo-gam 衛生寶鑑』is a medical book which was written in the process of systemic recognized of medical theories of various and special academic parties in the period JinYuan(金元). The medical theory that appears in『Wi-saeng-bo-gam 衛生寶鑑』is rooted in Li Dong Yuan(李東垣)′s theory, but also Na Cheon Ik(羅天益)′s medical ideology is distinguished from Li Dong Won(李東垣)′s ideology. First of all, Na Cheon Ik(羅天益) recognized the importance of discerning not only On-Bo(溫補) but also Han-Ha-To(汗下吐) and various ways in medical treatment. Secondly, the fact that Na Cheon Ik(羅天益) made good use of moxibustion tells the difference between the two. In conclusion,『Wi-saeng-bo-gam 衛生寶鑑』holds systemic medical information which was originated with Na Cheon Ik(羅天益)'s various and special experience. He had contributed in the clinical experience and medical information by having an effect on the ages to come.