Introduction : Caring attitude is one of the professional identity that is tried to be internalized by the nursing education institution through professional socialization process. The process begin since the students entering the faculty and improving as the time goes by. However, in reality, there are students who do not show caring attitude. The aim of this study was to find out if there is a correlation between professional socialization and caring attitude. Theoretical basis used is a model professional socialization Hinshaw and Swanson's Caring theory. Method: The study used quantitative method with cross-sectional design. The population was 45 batch 2011 nursing students of Faculty of Nursing, University of x, using total sampling technique. The data analyzed using chi-square. Result: The significancy result of the correlation test between professional socialization and caring attitude is 0,019. The study also found that two sub variables of caring that are correlated with professional socialization are “knowing” (p value= 0,001) and “being with” (p value = 0,04). The results of this study indicate that there is significant relationship between professional socialization and sudent's caring attitude. Discussion: This research recommends that further research can observe nursing student's caring behavior in order to obtain more accurate results.