Purpose: This study was to compare the knowledge and confidence of newborn care between mother and father. In furthermore, to develop a nursing intervention based on the data. Methods: A descriptive design was used, the participants of this study were 85 couples of mother and father of newborn, hospitalized in postpartum care center. Knowledge and confidence of newborn care was measured from the two postpartum care center located in G province. Descriptive statistics, paired t-test, t-test and ANOVA were used to analyze the data using SPSS. Results: Comparing to the mothers', the scores for fathers' knowledge and confidence of newborn care were lower. Particularly, fathers of first-born showed lower score of knowledge and confidence of newborn care. Also, fathers were lacking of knowledge and confidence related to health problem management. Conclusion: The results showed that nursing intervention which encourage fathers to raise the confidence in involvement of newborn care is needed to be developed. Also evaluation of the effect of newborn care education for parents, and longitudinal study of effect on infant and child development is suggested.