In Korea, delivery of preterm has increased gradually, preterm delivery rate was 6.4% in 1995 and 9.8% in 2002. The purpose of this study is to provide guidelines for preventing preterm delivery in aspect of health factors and food habits. The health factors and dietary habits were compared between preterm delivery group and full-term delivery group on to recognize risk factor of delivering premature. The results obtained are summarized as follows. The full-term delivery group showed a high rate of professionals and the preterm delivery group showed a high rate of the service industry, showing differences in kinds of occupation(p<0.05). Heights were higher in full-term delivery group(p<0.05). Among the nutrition supplements, iron supplement consumption was the most, period of the intake of iron was significantly longer for the full-term delivery group than for the preterm delivery group(p<0.05). Also, prevalence of coffee was higher in preterm delivery group(p<0.001). The activity level was higher in full-term delivery group(p<0.005).