The purpose of this study was to investigate the effect of career barrier recognition and dual cultural self - efficacy on career attitude maturity in elementary school students. For this purpose, I visited 28 elementary schools in Gyeongsangnam-do from April 25th to May 19th, 2017 and studied 305 students of 4th - 6th grade multicultural students, and 280 of them were excluded Respectively. Data were analyzed by descriptive statistics, correlation and multiple regression analysis using SPSS 22.0 statistical program. The results of this study are summarized as follows: First, the average of career barrier recognition, multicultural self - efficacy, and career attitude maturity were 1.92, 3.44, and 3.29, respectively. Second, as a result of analyzing the effects of career barriers on career attitude maturity, it was found that the higher the uncertainty of future, the lack of career and job information, the greater the economic difficulty, the lower the career attitude maturity. Respectively. Third, as a result of analyzing the effect of dual cultural self - efficacy on career attitude maturity, the higher the cultural self - esteem, the higher the dual culture positive attitude, the higher the career attitude maturity, while the higher the bilingual ability, And the explanatory power was 21.1%. Based on the results of this study, it is necessary to pursue diverse career programs to improve the career attitude maturity by solving career barriers by providing sufficient career and job information to multicultural elementary school students and raising cultural self –efficacy.