China and Korea is the close neighbour since ancient time but up to moderen persioeld,there were no detail record in the history of Buddhism between two countries, therefore, some scholar always doubt and guess over it, this paper mainly survey the life and deeds of Upasoka Yu Huiguan who was important figure between Chinese and Korea Buddhism, after “September. 18,1938 Affair”, The leader of Chinese Buddhism Rev.Taishi had proclaimed, Chinses and Korea Buddhist’ s should united togather to fight against the illegal activities of Japanese mill itarianim, En 1930, Rev. Yuanying and Rev. Renshan as the Chinese delegates took part in the Korean Congress of Buddhist and express the goodwill and long living friendship of both Chinese and Korean Budhhists. According to Buddhist catalogy of China and Korea, there were 55 articles were relatad to the interflows between Chinese and Korean Budhhism, Among the Korean Buddists Rev. Yu Huiguan was the leading bigfigure who lived and activited in Shanghai, owing to his activities, Korean Buddhism’s influencs were brought to home and abroad.