Since mid of 1990`s Vietnamese food had been advanced in Korea, the franchises and branches of the Vietnam food restaurant remarkably has grown in numbers. It was estimated that the number of Vietnamese food franchise was not less than 30`s and the market size of food industry would be around 200 million dollars in Korea. While the interests and study on the globalization of Korean food had been recently increasing, the Southeast Asian food, especially Vietnamese food which had significantly taken place as one kind of food service had few academic approaches to research on the current situation and transition on Vietnamese food in Korea. This study is an experimental attempt to inquire for the Vietnamese food culture and the Vietnamese food in Korea. Through the field research at local(Vietnamese) restaurant, the interviews with the local residents and questionnaire survey on the Vietnamese food from Korean customers, the article examined the ``Southeast Asian Phenomena`` in Korea by tracing the origins and pathway how Vietnamese food could be established in Korean food market. In addition, it tries to prove that current growth of Vietnamese food in Korea could be extend and explicated as real ``Vietnamese Phenomena``.