Goal: To study eating attitude alternates among adolescents.Materials and Methods. This survey has been conducted among total 392 students aged 10- 19, have studying in general educational schools or private high school, located in Bayanzurh and Songinokhairkhan districts of Ulaanbaatar and sampling of school or classes have chose by random.Results: Total 392 teenagers at 10-19 aged were participated in our research survey. 149 (38%) of total participants were boys and 243 (62%) were girls. From total participants, 38 (9.7%) teenagers showed abnormal eating attitudes with high EAT 26 scores. 84.2% (n=32) of abnormal eating attitude subjects were girls and 15.8% (n=6) were boys (x2 =9.473, p≤0.009). Average BMI of subjects with high EAT 26 scores, was 17.8 and 50% (n=19) were underweight or 5.2% (n=2) had overweight. Correlation between BMI and disturbed eating attitudes was (x2 = 568.815, p≤0.000) defined.Conclusion: The level of abnormal eating attitudes among adolescents was indicated in 38 (9.7%) teenagers.