College students are the main body of the university campus, and their harmonious interpersonal relationship is an important factor in building a harmonious campus. The problem that college counselors often have to deal with in their work is the relationship between students. In study and life, college students' more and more independent thoughts and states make them more and more need to face various problems independently. How to get along well with classmates around us is a science and an art. Students with strong adaptability can adapt to interpersonal problems quickly, but many students with poor adaptability have interpersonal communication obstacles. The role of peer education can not be ignored when solving the interpersonal communication obstacles of college students.

Interpersonal communication among college students is a special social communication with colleges and universities as the communication environment. The content includes communication between classmates, communication between teachers and students, work communication in class associations and emotional communication in extracurricular life, etc. Interpersonal communication is the basic way for college students to know themselves, adapt to society, meet spiritual needs and form a healthy personality. Good interpersonal communication can improve college students' self-esteem and self-confidence, enhance their sense of self-worth and strength, help to reduce their sense of frustration and loneliness, relieve inner conflicts and depression, and vent negative emotions, which plays an extremely important role in personal mental health.

However, due to cognitive deviation, wrong motivation, emotional disorder, lack of skills and other reasons, contemporary college students are facing many crises and tests in the process of interpersonal communication. Domestic scholars have found that interpersonal communication barriers have surpassed job-hunting pressure and academic pressure, and become the primary factor inducing psychological problems of college students, accounting for more than 40%.

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College counselors often encounter conflicts between students in their work. Especially, the dormitory relationship between girls is more subtle and elusive. There was once a dormitory for four, and three girls had a rather bad relationship with another girl. The source of the contradiction is that this girl has always had unique living habits and is not good at communicating with others, which leads to mutual understanding and increasingly tense relations. From the cold war to mutual abuse, it finally turned into a dormitory fight. From the beginning of the conflict, I intervened in time, talked and adjusted with students from both sides, and contacted the girls' parents, hoping that parents would guide and educate their children's living habits and interpersonal communication. Although I have been paying attention to the relationship between the dormitory and trying to resolve the contradictions between the two sides, the effect is minimal. Until finally there was a hands-on incident, which made me feel that all my efforts were in vain.