隨著社會化媒體和移動網路的盛行，傳統的自我理論和認同理論對於網路跨文化身份/認同的解釋力進一步下降，網路跨文化認同的理論基礎為何，成為網路傳播研究的重要理論問題。本研究將網路跨文化身份認同放置個體化社會的宏觀背景下，利用歐洲社會學“陌生人”理論的後現代進展，討論網路社會中在個體脫嵌的同時,其再嵌的認同基礎為何。圍繞個體化與社會整合，多元化與社會認同之間的張力，對陌生人作為網路社會跨文化身份/認同的基礎和可能性進行了初步的探討。

With the popularity of social media and mobile networks, the explanatory power for online identity of the traditional theory of the self and social identity theory are fall further. What is the theoretical basis of network identity become the important theories in the study of network communication. This study place network identity on the macroscopic background of individual society, using theory of "the stranger" in the post modern process of European sociology , to discuss the basis of embedded to individual society for individual while they disembeded from the early modern society. The tension between the individual and social integration, diversity and social identity are emerged in the internet society and strangers as the basis of network cross-cultural identity also are emerged and play the key role in the individual society.