Objectives : This study was designed to evaluate completely the relationship between obesity and Qui Xue Shui diagnostic procedure in primary and middle school students. Methods : The study participants were the 1, 2nd grade students of middle school and 5, 6th grade students of primary school in Kang dong Gu of Seoul (1134 Students). The participants were measured for their height and weight etc, and they were also surveyed by questionnaire. We diagnosed the students as when they scored 10 points or behind on Qui Xue Shui(QXS) question problems from Japan education academy. Results and Conclusions : The mean QXS score in the obese group was significantly higher than that of the normal body weight group and the obeser they are, the higher QXS score is. The Qi xu, Qi yu, Xue xu, Shui chi score of the QXS questions the obese group was higher than the normal group. The total QXS score was significantly higher in the obese group. It is shown that the total score of using the Qui Xue Shui diagnostic procedure is mainly dependent on obesity.