The purpose of this study is to analyze, centering on the preconditions presented, the actual conditions of fashion merchandising informatization, to find a considerable gap between its preconditions and present situations and to explore the strategic device of fashion merchandising informatization. The study is analyzed through questionary paper to the domestic fashion apparel firms. The collected questionary paper is analyzed with SPSS/PC⁺ program and the method of statistical analysis used for this study is t-test, one way ANOVA and frequency analysis. There was a considerable gap between its preconditions and present situations analyzing the actual condition of fashion merchandising infomatization centering on its preconditions. The strategic devices of fashion merchandising informations in order to treat, 1. Each apparel company should consider how they classify the informations in order to treat, accumulate, transfer and manage them effectively. 2. In order to make an environment of fashion merchandising informatizations, each company should arrange, expand and utilize informatization instruments. Also they should consider the case to utilize an inside or outside information center effectively.