This survey was carried out to investigate the effects of dietary attitude on the nutrition knowledge, food habits, the daily average nutrient intakes and the intake of instant food, convenience food & fast food between college women and their mothers. Questionaries were completed by 214 college nutrition majors and also by their mothers numbering at 173. College women`s mothers showed a better average in meal time regularities per week than that of. college women. Also it is the fact that the college women had a higher frequency rate of instant food and fast food than their mothers. In the case of both college women and mothers if they eat at regular meal times they had a higher score in food habits. But the daily average nutrient intakes was not significant because of the fact that the meal time regularity and nutrient intakes did not concide. The higher frequency of instant food intake had a lower score in food habits and nutrition knowledge. The higher frequency of fast food intake had a higher food habits score but it also had a lower score in nutrition knowledge. As in the intake of instant food and convenience food the college women had a higher intake frequency. In the dietary pattern the college women they liked to eat flour foods. But their mothers liked to eat Korean foods. The selective motive and the degree of satisfaction of food service industry product was for convenience and time saving. The food service industry products were found to be unsatisfactory in nutrition and sanitation. Therefore we must be more aware of preventing the disappearance of Korean traditional foods. For the continuing development of our dietary culture we need to have the food service industry to develop more suitable diet for Korean.