This paper studies the features of infinity senses of lee sang hwa and analyzes the modern poetry world of lee sang hwa. It is times pointed out that infinity and finite senses of lee sang hwa was features of modern korean poetry. His infinity and universe of lee sang hwa has been involved features the first stage modern korean poetry. That is infinity and eternal, self in infancy period. Especially it restarted experience of infinity and finite, universe, nature with that period. And that was resisted the limit of life. The poetical investigation of lee sang hwa, as we pointed out in his text, embodies a start of modern korean poetry, especially in the universe. That is to say, his infinity and finite, have the opportunity to understand in his first poetry. The infinity and finite, united world and recover is the important concept the first stage modern korean poetry. This work is the first stage departing from his infinity and finite. That is the theme of in poetry of lee sang hwa.