This survey was carried out to investigate the effect of self-consciousness of nutrition knowledge and health on the nutrition knowledge and on food habits between two groups of college women, a nutrition majors and a non-majors. Questionnaries were completed by 214 nutrition majors and by 145 nutrition non-major. Nutrition majors group scored significantly higher than nutrition non-majors in the nutrition knowledge. And nutrition non-majors scored significantly higher than nutrition majors in the food habits. Most of the subjects belonged to `Fair` and `Poor` food habit group. And also there was a significant correlation between the nutrition knowledge score and food habits score in nutrition majors and non-majors. There was a significant and positive correlation between nutrition knowledge score and food habits score in majors but it was not observed in non-majors. The higher majors had a self-consciousness of nutrition knowledge, the higher they had habit score and nutrition knowledge score, but in non-majors it was not observed. And non-majors who had a self-consciousness of health were healthier, they were higher in the food habits scores than the majors. The main curriculum it is important for a good food habits that one has a responsible nutrition education in main curriculum. For the improvement of nutrition education program we should transmit the nutritional information through an effective mass media (i.e. Radio, TV, Newspaper)