Currently, eating disorders is a concern of the World Health Organization. Because these disorders have highest mortality rate among mental illnesses devotes itself. Accordingly, the present study aims to determine the prevalence of eating disorders in high school students. The relationship between these disorders and cognitive emotion regulation and body image, which is known as a variable in social psychology. The study was a descriptive research study -correlation and three scores, Body image questionnaire (MBSRQ), eating disorders and cognitive emotion regulation has been used to collect data. Statistical population includes 300 female high school students who were selected as samples. The results showed that cognitive emotion regulation and body image and its dimensions have a significant relationship with eating disorders and dimensions between eating disorder symptoms and significant positive correlation with blaming others. In other words, variable the blame to others is the ability to predict eating disorder symptoms among female students as well. There is a significant negative correlation between satisfaction of eating disorder symptoms and evaluate the fit of the body. In other words, the increase in satisfaction with areas of the body and assess the appropriateness of the symptoms of eating disorders is reduced.