Objective: The aim of this study was to compare body image disorder, body dysmorphic disorder and fashion trend in cosmetic surgery applicants and non-applicants. Method: The present study is a causal-comparative and sampling method was available method. The sample size was 300 that 150 people applicant for cosmetic surgery and 150 was non-applicant. Data collection tools included body image, body dysmorphic and fashion trends questionnaires. Data were analized by analyse of variance and logistic regression. Results: Findings showed that there is a significant difference between means of body image disorder (F= 19/95, p< 0/01), body dysmorphic disorder (F= 25/49, p< 0/01) and fashion trends (F= 7/82, p< 0/01) in two groups of cosmetic surgery applicants and non-applicants. Also, data indicated that body dysmorphic disorder (Exp (B) = 0/86, p < 0/01, wald = 39/81) is significantly predicted to the willingness or unwillingness to cosmetic surgery in individuals. Conclusion: individuals with abnormal body image, body dysmorphic and fashion trends to be seen in them more aptly to perform cosmetic surgery.