In the history of the development of the Yi-ology from the Han to Song dynasties, especially in the studies of the He Tu and Lu Shu, GUAN Lang is a comparatively important scholar. 摘要在從兩漢到唐宋時(shí)期的易學(xué)發(fā)展中,尤其是在河圖洛書(shū)方面,關(guān)朗是一個(gè)比較重要的學(xué)者。