In this study, we want to investigate the nutrition knowledge, eating habits, and food intake patterns of adults who have a strong preference for sugary snacks or sugary drinks. In this study, 83 students, or 33.1% of the 267 adults, were found to belong to the sugary food group, and the results of the survey were as follows. In terms of the level of eating habits, both male and female adults see significant differences among the groups. In the question of the regularity of the three meals, the quality of breakfast, the balance of meals, the level of consumption of green vegetables, meat, fish and milk, the number of sugars was low, and the number of sugars, instant foods, ham and sausages was high. In terms of nutritional knowledge, both male and female adults had a low number of sugary foods, and there were significant differences among the groups. In terms of the frequency of food intake, the frequency of eating rice and mixed grain rice was low, and the frequency of eating ramen and bread was high.