The purpose of this study was to find the effects of an educational program for primiparas on maternal confidence and continuity of breastfeeding. The subjects of this study were the healthy mothers, and the healthy infants whose weight was more than 2.500gm and gestational age was more than 37 weeks. The final targets were thirty seven mothers-19 of intervention group and 18 of control group. Data were collected from 15th of March to 3rd of September, 1999. To the intervention group, education on infant care and breast feeding were provided before discharge. And that, telephone advice was provided within one week after discharge, and at 2 months postpartum. And that, reeducation and counsel were provided at one month and three months postpartum by home-visiting care for the intervention group. For the control group. home visiting was also conducted only for data collection. Data were analyzed by chi-square test and t-test. The results were as follows: 1. The maternal confidence of the experimental group was higher than that of control group at one month postpartum. but the difference of confidence of these two groups were not significant at three months postpartum. 2. For both of experimental and control groups, maternal confidence significantly increased at three months postpartum than one month postpartum. 3. The rate of breastfeeding of the experimental group was higher than that of control group at one month and two months postpartum (p=.050, p=.049). But the difference was not significant at three months, although experimental group continued breastfeeding more(47.4%) than control group(27.8%). In conclusion, educational program for primiparas of this study was effective in the promotion of maternal confidence and breastfeeding.