This study was surveyed by 192 male and 238 female eating-out behaviors about western food in Seoul. The results were summarized as follows : The recognition degree about the western food was 14.2% In $ulcorner$know well$lrcorner$, 54.891 in $ulcorner$know somewhat$lrcorner$, 25.3% in $ulcorner$Not know$lrcorner$ and was observed significance by sex, food expenses and dine-out expenses. The recognition degree about western food was observed more highly than expected and would be further more highly with westernized dietary culture. The information of concern and knowledge about western food was taken by mass-communication, book, school education, etc. and the answer marked significance by sex. age, school career. The majority of subjects had chosen Korean restaurants in dining-out and the western restaurants were favorable to twenties(20~29) and thirties(30~39). The frequency of western restaurants visits was 46% in $ulcorner$1~3times/month$lrcorner$, 39% In $ulcorner$several times/year$lrcorner$ and the answer of frequency had significance by age, food expenses, and dine-out expenses. The choice of western A la carte menu restaurants was chicken restaurant(28%), cutlet restaurant(24%), hamburger R. (13%), pizza R. (19%), Spaghetti R. (9%). hamburger restaurants were favorable to twenties and the majority of pizza restaurant chosen were high level by monthly income. Content to be improved in western food was 68% in $ulcorner$proper taste in Korean$lrcorner$. Western cook should be improved properly in Korean tasting.