This study aims at examining the structure of poetical works and the aesthetic quality in Hwasajip(『화사집』) that is the first collection of Seo Jeong-ju`s poetry. This collection of poems is arranged in a series of subjects in which containing poetic intention of author. The structure of this poetical works reflect on the aesthetic quality of Seo Jeong-ju`s early poetry. And the immediate influence of Baudelaire in this poetical works, we can find they hold thematic structure of a text, arrangement of poems, and intention of poet in common. Twenty four poems are included in this collection of poems which consists of five chapters, and each of chapters have an interim title. This study investigate this poetical works which is to be classified into three aspects ; the physical passion and control, the mental uplift and vicissitude, and the dewdrops of poetry and love fate of blood. The first poem of Hwasajip, especially entitled ``Jahwasang``(「자화상」), shows poet`s self consciousness of the dewdrops of poetry and poetical love-fate of blood. Entitled ``Hwasa``(「화사」) and ``Norae``(「노래」) poetry shows physical passion and control, Entitled ``Jiguidosi``(「지귀도시」) and ``Mun``(「문」) poetry shows mental uplift and vicissitude. Hwasajip is a collection of poems in which have an elaborate intention of poet and a deliberate structure.