Korean Wave, the Korean culture that began to intervene in Southeast and Southeast Asia culture in 1999 (Duong, 2016). The economics of Korea will develop and grow up assuredly. Because of since the 1960s, Korean society has experienced an unprecedented transformation from an agricultural society to an industrial society. Presently, Korean media came into Thailand a lot whether it is in a radio, television media, advertising, and internet. Not only in Thailand, Korean media grow up surprisingly in these decades, and spread expeditiously to other part of the world. Mark Stephens (2012) said that Gangnam is the most obvious example of Korean culture and language taking over South-East Asia. Mostly country get impacts from Korean media. The reason that makes Korean media grow up fast like this is because of the Korean wave. In Thailand, Korean media can reach to almost all generation, and get a big effect on Thai society. Many Thai teenagers absorb Korean culture from media unconsciously. Students in Korean major are one of a group that interested in Korean culture a lot. So, this research want to study the impact of Korean wave that effect to students in Korean major.