With the progress of society, people pay more attention to health management under the condition of abundant material conditions. Losing weight, dieting and fitness have also become the upsurge of The Times. However, people’s false cognition is easy to lead to eating disorders. As a kind of physiological and psychological disorder, the eating disorder has a great impact on people's mental and physical health. In this paper, we have explored the studies of cognitive behavioral therapy in the treatment of eating disorders by combining the current research of the epidemiology of eating disorders and its predisposing factors. New ideas are proposed for the future application of cognitive behavioral therapy with VR in eating disorders.