Kim, Kwang Sub`s poetic world has a remarkable poetic transfiguration with prominent changes of consciousness in the process of the early period, the middle period, and the late period. In this study, I investigated his poetic world consistently based on the internal transition of human consciousness which changed and matured according to the flow of time, The results car. `be summarized as follows. In the early period(1935-1945), he was seized with incompetence of consciousness recognizing the reality of colonial as an unsurmountable tragic world. His incompetent life of self-consciousness frustrated and wandered in the tragic world, and felt crisis of self-consciousness collapse. Denying the hell like reality, he indulged into his own internal world in order to overcome the crisis of self-consciousness collapse. But it was not the fundamental way to overcome the pain and despair from reality. Because his pain and despair were derived from actuality. Rather, he was tied to another alienation and forfeiture from his isolation. So, he was seized with solitude at night which was the time of mental emancipaion from the pain of reality, and prayed that waste land to open beautiful flowers of relief ardently. But the flowers which he opened in his internal world were removed from reality. Self-consciousness despaired of reality groped transcendental space. This transcendental space was the sky and the sea. But this transcendental space could not relieve him certainly. Because he could not be relieved unless that tragic actuality improved. He indulged into a dream rather than struggling against actuality. Though seized with his internal world as a mens of ego preservation, he never fell into excessive self denial or self dissipation. It was because of his criticism through introspection and of not averting actuality. Even if he felt`s distinct shape(yearning)`, this `distinct shape` did not appear in his poem. It reveled that he had a vague anticipation to the future of his country, and didn`t have a new historical vision based on a clear view of history. He represented the yearning of emancipation of his country idelogically and implicityly. In the middle period(1945-1959), the emancipation gave a vig change to his self-consciousness. Lonesome and incompetent self-consciousness during colonial period varied spontaneous and positive according to the emancipation. The fatherland became the land of restoration. Though feeling the pain of loss as a divested people keenly in the devastated country by the korean civil war he sang a new volitional song. But his self-consciousness was that of a pioneer and a hero, so it could not expand to a social ego. Therefore his pain and hopelessness in the prison, the delight of emancipation, pain and nihility felt during the war could not be universal as a pain and delight of korean people, so his poetic world could not have a strong persuasive power. In the late period(1965-1977), awakening the distance from a man to a man, form a man to the nature through the will of restoration, shortening this distance by love and reconcilation, getting rid of a solitary individualist`s relative ego, he got a social ego as a member of community he was living in. Showing a horizontal interses to the neighbourhood, he was concerned with the dark side coming after a rapied growth of material civilization ; the loss of humanity, the destruction of nature, the mannonism, the matter of a petit bourgeois, and criticized them sharply, Behind this critical sense hid a human love. Having a premonnition of death from the phenomenon of separation of things, he was seized with they mutability of human affairs deeply, To get rid of this mutability, he recurred to such a space as childhood, recollection, native place. By confirming the man`s immortality that the death of a man is not interruption and bereavement is not an eternal separation by the transmigration of souls of Buddhism, he admitted the death. Believing that a