This study is a descriptive correlation study that examines the role ambiguity affecting positive psychological capital, job recognition, and job burnout in nursing assistants. The subjects of this study were 360 nursing assistants who visited the Nursing Assistants Association Training Center in Gyeonggi - do, taking the dropout rate (15%) into consideration. The data collection period was from April 1, 2017, to June 30, 2017. Before the data collection, the purpose of the study, data collection, and disposal method were explained, and then the questionnaire was conducted after the written consent was obtained. As a result of the study, there was a statistically significant difference in job perception according to age, there was a statistically significant difference in positive psychological capital according to age and marital status, and was the statistically significant difference in job burnout according to age, marital status. Role ambiguity, there was a statistically significant positive correlation between the subject s job consciousness and positive psychological capital, job burnout, inverse correlation, and role ambiguity. positive psychological capital had a statistically inverse correlation with job burnout, there was an inverse correlation with role ambiguity. In addition, role ambiguity had a statistically significant positive correlation with job burnout.