Objective:To examine the reliability and validity of Dysfunctional Attitude Scale(DAS-A) in a sample of Chinese adolescent students.Methods:A total of 1191 adolescents were asked to complete the Chinese version of Dysfunctional Attitude Scale(DAS -A) and the Beck Depression Inventory(BDI).Results:The internal consistency reliability for the total scale was 0.88 and the four-week test-retest reliability coefficient was 0.84.Exploratory Factor Analysis extracted three factors,namely performance evaluation,need for approval and autonomous attitude.The percentage of variance explained was 41.86%.The DAS-A score in possible depressive adolescents was significant higher than that in non-depression adolescents.There was gender difference in dysfunctional attitude.Conclusion:The Chinese version of the DAS-A had acceptable psychometric quality,can be applied to assess dysfunctional attitudes in Chinese adolescent students.