Objectives : In order to research references on low back pain in Uihagimmun Methods : In respect of causes, symptoms and prescriptions for all kinds of low back pain, enlarging the range of references from books regarded as its references in Jiprye(集例) to books referred in Yeokdaeuihakseongssi(歷代醫學姓氏). Results : Beside of the books referred in Jiprye(集例) such as Seuideukhyobang(世醫得效方), Dangyesimbeop(丹溪心法), Okgimiui(玉機微義) and Injejikji(仁齋直指), the other reference books must be Sanghannon(傷寒論), Geumgweyoryak(金?要略), Samingeugilbyeongbangjeungnon(三因 極一病證方論), Jebyeongwonhuron(諸病源候論), Jesaengbang(濟生方), Dongwonsihyobang(東 垣試效方), Maeginjeungchi(脈因證治), Bojebang(普濟方), Uihakjeongjeon(醫學正傳), Jeungchiyogyeol(證治要訣), Uihakgangmok(醫學綱目), Manbyeonghoechun(萬病回春), Gogeumuigam(古今醫鑑) and Susebowon(壽世保元) etc. Conclusions : Icheon(李?), the author of Uihagimmun, referred not only to books mentioned in Jiprye but to books referred in Yeokdaeuihakseongssi. This book had important effect on making the contents of low back pain in Donguibogam(東醫寶鑑).