The purpose of this study is to analyze the causal relationship among categories in the Korean National Quality Award(KNQA) model. The survey instrument consists of 79 questions from seven categories in the KNQA. Structural Equation Modeling(SEM) is used to analyze the empirical data and estimates the path coefficients among the KNQA categories. The result of this research indicates that Leadership drives systems that create Results through Foundation and Direction. Among eighteen hypotheses, sixteen hypotheses are statistically significant. Especially, this research indicates that Foundation and Direction are important mediating factors.