This article examines the Japanese collection of Korean calligraphy and painting from the late 19th to the early 20th century in Japan. Especially, the collection of the Sunaga Hjime(須永元,1868-1942) in Sano city museum is the primary subject to find out interchanges Korean artist and Japanese patronage. Sunaga collection was expended to one of the largest collection of Korean modern calligraphy and painting in Japan in relation with Korean exiles, Kim Okkyun(金玉均, 1851-1894), Park younghyo(朴泳孝, 1861-1939). Having lived in exile for about ten years, Kim Okkyun was supported by Sunga Hajim and gave his calligraphies in return of patronage. This relation formed the basis of the Sunaga collection. After sudden death of Kim Okkyun, however, interchanges with Korean artist in exile has expanded to Oh Sechang(吳世昌, 1864-1953), Hwang Cheol(黃鐵, 1864-1930), Ji Unyoung(池雲英, 1852-1935). The relation of these artist has lasted throughout the period of Japanese colonial rule.BR Sunaga collection is not limited to the exiles and covers from painters of late Joseon dynasty such as Kim Junghui(金正喜, 1786-1856), Shin Wi(申緯, 1769-1845), Jang Seungup(張承業, 1843-1897), Choi Seokhwan(崔奭煥, 1908-?), Yang Kihoon(楊基薰, 1843-?) to Modern artists such as An Jungsik(安中植, 1861-1919), Cho Seokjin(趙錫晋, 1853-1920), Kim Kyujin(金圭鎭, 1868-1933), Kim Unwon(金應元, 1855-1921), Yoon Yonggu(尹用求, 1853-1939), Seo Byungo(徐丙五, 1862-1935), Kim Donhui(金敦熙, 1871-1937) and Kim Yongjin(金容鎭, 1878-1968). In this regard, Sunaga collection became the priory historical sources to find out the unknown interchanges with Korean artist in exile and Japanese patronage.