The purpose of this paper is to investigate a pattern of letter movement that is conatituted between the original of Wu gou jing guang dai tuo luo ni jing and the existence it saw and a letter mobile state of Wu gou jing guang dai tuo luo ni jing that is discovered in Seokga-pagoda at Kyungju in Korea. In view of the results so far achieved, the original of Wu gou jing guang dai tuo luo ni jing was identified that Dunhuang sakyung is the earliest original among the existence it saw and it was changed once at Fang shan seokyung, Zhao cheng jing and koryeojang and was largely changed at Wu gou jing guang dai tuo Iuo ni jing, Zi fu zang, Qi sha zang, Yong le nan zang, Jing shan zang and Qing zang that was discovered in Seokga-pagoda. The bottom book and genealogy of Wu gou jing guang dai tuo luo ni jing were presumed that it was closely connected with the bottom book Zi fu zang because a letter mobile state of Wu gou jing guang dai tuo luo ni jing that was discovered in Seokga-pagoda was exposed without discrimination.