Interpersonal relationship is a kind of psychological relationship between people due to communication, which is mainly manifested in the degree of psychological contact between people in the process of communication, such as depth, intimacy, harmony and coordination. In different groups, people of different occupations, ages and genders have different communication characteristics. \x0d Characteristics of interpersonal communication (I) Changes in communication objects Due to the development of self-awareness and independence in adolescence, the focus of communication objects began to shift to peers, and the focus of feelings gradually shifted to close friends. Because the equal relationship with peers can provide parents with a sense of psychological stability, a sense of identity and opportunities and places to play their own initiative. By sharing the same feelings, contradictions, troubles and difficulties among friends, they can meet the needs of self-development through mutual help and respect. Junior high school is the peak period for students to make intimate friends. By the high school stage, teenagers have almost reached a period of rapid increase in making same-sex friends. (2) Changes in communication methods. Teenagers feel uneasy and anxious psychologically because of the enhancement of self-awareness and the emergence of physical and mental contradictions. They need a place where they can talk about their troubles, exchange ideas, show themselves and keep secrets. By the primary school stage, gang-style communication can no longer meet this requirement, so their forms of making friends began to pay attention to the characteristics of personal inner quality. The content of communication has gradually developed from the external level of activities to the internal level of understanding and experience. Their criteria for choosing friends mainly include the following aspects: (1) having the same interests and pursuits, (2) having the same anguish and troubles, (3) having similar personalities, and (4) being able to understand each other in many ways. At this stage, the relationship between friends is very close. The established friendship is relatively stable and lasting. (3) The periodical changes of the characteristics of choosing friends. Teenagers choose friends based on their new understanding of the importance of making friends. The choice of adolescent friends is mainly centered on activities. As long as you get along well, you are friends. Friends should be absolutely loyal, keep secrets honestly, abide by the principle of intangible partnership, and Qi Xin rebukes friends for betrayal. The friendship between teenagers in high school is much more stable and profound than that in adolescence. When they choose friends, they pay more attention to their inner qualities and hobbies, that is, they emphasize each other's temperament, personality, ability and hobbies. At this time, teenagers' judgment and self-adjustment ability have been relatively improved, and they can seek common ground while reserving differences. Some unprincipled problems between friends will not affect the continuation of friendship. Due to the continuous expansion of teenagers' interests and hobbies, the internal richness makes the communication field of high school students much broader than that of teenagers. They are more inclined to choose different friends to meet their different needs. Interpersonal communication and interpersonal relationship among teenagers ... The characteristics of interpersonal communication are accompanied by sexual maturity, rapid changes in physical development, the formation of self-awareness and the development of cognitive ability. Interpersonal communication is increasingly showing completely different characteristics from childhood, and a new model has been established in interpersonal relationship.