Background/Objectives: The purpose of this study was to determine the factors related to career attitude maturity in Korean nursing students.Method/Statistical Analysis: A purposive sample of 135 students from N university was recruited for the cross-sectional survey design. The structured questionnaires were used for major satisfaction, intrinsic/extrinsic work value, career attitude maturity and job barrier which was reported reliability in domestic studies. Data were analyzed using descriptive statistics, Pearson’s correlation and stepwise multiple regression.Findings: The mean scores of major satisfaction, intrinsic/extrinsic work value, career attitude maturity, and barrier were 3.86, 4.05/4.06, 3.43 and 2.08, respectively. Career attitude maturity was significantly positively related to intrinsic work value (r= .258, p<.05), major satisfaction (r=.177, p<.05) and also, negatively related to career barrier (r= .43, p<.001). Intrinsic work value(ß=0.284, p=.004), extrinsic work value(ß=-0.194, p=.043), and career barriers (ß=-0.535, p<.001) had significant effects on career attitude maturity (F=13.006, p<.001). Adjusted explained variance for the career attitude maturity was 36.4%.Improvements/Applications: Based on the findings of this study, career development programs are recommended to improve career attitude maturity in nursing students.