Abstract : The study aimed to identify the level of eating disorders among students of the College of Physical Education and Sports Sciences - University of Diyala, to identify the level of emotions among students of the College of Physical Education and Sports Sciences - University of Diyala, and to identify the level of mental alertness among students of the College of Physical Education and Sports Sciences - University of Diyala, And identifying the existence of a relationship between eating disorders and its relationship to emotions and mental alertness among students of the College of Physical Education and Sports Sciences - University of Diyala, either assuming the research, the researcher assumed the existence of significant statistical differences between each of the eating disorders scale (bulimia nervosa) and the scale of emotions and the mental alertness scale of Students of the College of Physical Education and Sports Sciences - University of Diyala, and the existence of statistically significant differences between eating disorders, agitation and mental alertness among students of the College of Physical Education and Sports Sciences - University of Diyala, but in Chapter Two the researcher touched on issues related to research variables, and in Chapter Three it has The researcher used the descriptive approach using the survey method. Either the research sample was randomly selected from the students of the College of Education Physical education and sports sciences - Diyala University for the academic year 2018-2019 of (60) students and their ages range from (19- 21) years. The researcher used the Eating Disorders Scale, the Emotion Scale and the Mindfulness Scale, but in Chapter Four the research results were presented and analyzed. Chapter Five, the researcher reached conclusions, which are the existence of significant differences between the scale of eating disorders (bulimia nervosa), the scale of emotions and the scale of mental alertness among students - Diyala University, and the existence of a significant relationship between the scale of eating disorders (bulimia nervosa) and the scale of emotions and scale Mindfulness among female students of the College of Physical Education and Sports Sciences - University of Diyala, and the researcher recommended the necessity of preparing and setting up a guiding and directive program to educate students about the topic of eating disorders and the factors causing it, and preparing seminars and lectures to raise awareness of the transformation of eating disorders and its relationship to psychological variables and its negative effects on psychological disorders, and conduct more negative studies on the psychological state.