The purpose of this study was to analyze the relationship of cause and effect among each variables, through survey on effect dancers' body images on their dance performances and eating disorders after making the structure model of relation of them. Women dancers in Art high schools, universities and professional dance corps in Seoul, Daegu, Busan as of January 2004 became the subjects in this research. In sampling these groups was collected by using stratified cluster sampling. 312 samples were used to the statistics in total 340 samples. In this research and procedures, we can get the following conclusions. : 1. Dancer's obsession about weight, social physical anxiety and physical dissatisfaction affect significantly performance anxiety. 2 Dancer's social physical anxiety affects dance achievement stress. 3. Dancer's obsession about weight, social physical anxiety affect eating disorder. 4. Dancer's dance achievement stress affects eating disorder. 5. Dancer's obsession about weight and dance achievement stress have direct effects on eating disorder and social physical anxiety affects indirectly eating disorder through dance achievement stress.