Close relationship is an important behavior in the process of growing up. The main task ofcollege students is to establish close relationship and overcome loneliness. Group counseling, as a strategyto enhance intimacy, refers to the interaction and communication among members of a group in a groupcontext, can better promote the group members in the group counseling self-observation, active learning,self-discovery, self-exploration to enhance the close relationship. In this paper, the author analyzes thetheory of intimate relationship and group counseling through reading the relevant research literatureon cnki database, and expounds the strategies of improving the intimate relationship of college studentsthrough group counseling in our country, therefore, the intimate relationship group counseling can befurther developed, so that it can be widely and effectively applied in college students.