Objective: To evaluate the relationships between alexithymic personality traits and meta-cognitive problems, and psychological and behavioral problems associated with alexithymia in adolescents. Methods: This cross-sectional study was conducted on 570 high school students (58% female, n=331; 42% male, n=239) in five high schools in Istanbul. Toronto Alexithymia Scale (TAS-20), Meta-Cognition Questionnaire for Children and Adolescent (MCQ-C) and Strength and Difficulties Questionnaire (SDQ) were used. The parents were asked to complete Socio-demographic Questionnaire. Statistical analysis was performed with SPSS 24 program and statistical significance level was set at p [Anadolu Psikiyatri Derg 2018; 19(5.000): 478-484]