The purpose of this study was to investigate the factors affecting paternal attachment and role confidence in spouses participating childbirth. The subjects of the study were 238 spouses who visited at 3 obstetrics hospital in G-city. Data were collected using self - report questionnaire. The analysis utilized SPSS-Win statistical program. In the results, Paternal attachment score was 3.43 points on average. Religious, marital satisfaction, parturition and postpartum education, you have experience childbirth, you are interested childbirth, participation from start to finish during labor, when you touched the baby immediately after birth, the attachment was higher. Paternal role confidence was 3.18 points on average, and educational attainment was higher in college graduates, religion, couples and children living together, pregnancy and childbirth related education, when you touched the baby immediately after birth, paternal role confidence was higher. Paternal attachment was higher in the perception of childbirth experience, the experience of prenatal childbirth care and the marital satisfaction. The explanatory power of the variables were 43%. Paternal role confidence was higher in perception of childbirth experience and delivery of family involvement. The explanatory power of the variables were 33%. Therefore, it is suggested to develop and operate a childbirth-related education program for spouses so that they become father with a paternal attachment and role confidence.