Recently, the TV series following the perspectives of women "Nothing But Thirty" has been warmly received in South Korea and become the first realistic TV series in the history of China's film and television industry to be remade in South Korea, which is worth a glimpse of its success and the phenomenon of China's cultural export to South Korea. Based on the theory of cultural commonality and Cross-cultural transmission, this paper based on commonality explores the reasons for the successful cultural export of the TV series " Nothing but Thirty " from the three aspects of cultural commonality: concept, emotion and content. The paper also explores the revelation of the cultural export transmission path from China to Korea.