This paper studies sense of the eternity in poetry of Kim So Weol. As poetry results from first spirit, poetic language has many similarities to eternity. The most representative feature is Yin and Yang. Yin and Yang are not only rhetoric. They are aimed to the world above. Poem can seek after transcendental world by nature and water. In that point, `nature and water are resemblant to spirit structurally. To study the feature of the Grate Absolute, this paper analyzed the poem of Kim So Weol. Kim So Weol emphasized the importance of spirit and love, spirit, in Jo-sun. This paper confirmed love and spirit feature in Kim So Weol`s poem. Especially Kim So Weol wanted to find eternity in woman image and mother`s world. And to study the feature of nature, this paper analyzed the poem of Kim So Weol. In poem of Kim So Weol, the eternal language is the most remarkable feature. Especially, the atitude to `Nim` can compare with the atitude to God in rescue. Kim So Weol showed transcendant feature by eternity. The last feature in his poetry is related to the fact that poem involves spirit feature. That is from the fact that poem is pointed to spiritual world. The various emotion like the Grate Absolute, rescue and grief in Kim So Weol`s poem express the state of spirit. Kim So Weol is remarkable poet in the point that he seeks after opening the spiritual world.