Abstract: The Internet hot words"xx partner", means that it is specifically for the youth group, and is a temporary partnership based on consistent life demands and interests in the Internet era. It reflects a social situation: in the process of modernization, young people are struggling to cope with complex interpersonal relationships under the pressure of fast-paced life, and at the same time have the psychological needs of identity, exploration of new emotional experiences and longing for companionship. In this paper, we take the Internet hot word "xx partner" as the object, from the structural features, semantic sources, popular reasons for three aspects of analysis. The main conclusions are as follows: "xx partner"is a noun phrase with biased structure, simple form and clear meaning; The modifier "xx"can be both a verb, a noun and an adjective, which covers a wide range, making the language construction "xx"has a strong word-formation ability. Modern society has given "partner" a new connotation, "xx partner"is an important expression of the connection between people beginning to change from relationship-based to matter-based, its rise is related to the characteristics of language communication in the network context, social development and scientific and technological progress and people's psychological changes.