1. From the perspective of communication psychology, the communication of college students is diversified and open. College students are eager for friendship, making more friends, exchanging more information and accepting more new ideas. Under the influence of this psychology, college students' interpersonal communication presents an unprecedented trend of open communication, which is embodied in the following aspects:

First, the scope of communication has expanded. The object of communication has changed from the previous kinship and peer communication to a wider social communication group. Classmate communication is not limited to classmates, but develops to all classmates at the same level, in the same department or even in the same school; Not only same-sex communication, but also heterosexual communication is an important way for classmates to communicate.

Second, the frequency of communication has increased. Communication has developed from occasional gatherings and mutual visits to more frequent group activities such as chatting, community activities, gatherings, sports activities, entertainment and traveling together.

Third, the means of communication are diversified. The development of electronic network provides a broader communication space for college students, and the development of communication means makes college students' interpersonal communication more convenient, faster, farther and wider.

2. From the perspective of communication mode, although college students who focus on dormitory and focus on social work and network socialization actively pursue open interpersonal communication, due to the limitations of time, energy, living environment and economic conditions, the main place for communication is still campus, with dormitory as the center, and emerging social modes such as BBS and QQ are gradually accepted by college students and infiltrated into their lives.

3. From the purpose of communication, both emotional communication and utilitarian communication are equally important. With the development and change of society, college students tend to be "rational" in social purposes. What kind of person to choose as a friend is not purely emotional and like-minded, but the motivation of communication has become very complicated. It can be said that college students pay more and more attention to pragmatism related to their own social interests while paying attention to emotional communication, showing a trend of paying equal attention to emotional communication and utilitarian communication.