Abstract: This study selected 1040 subjects from grade 6,8,and 10.All subjects were asked to list up to 10 friends.Number and reciprocity of friendship choices were explored by using network analysis technique.The results showed that the adolescents listed 6￣7 friends in average, among these friendrelationships, one-way choices were more significant than mutual choices.The interactions of gender×grade× achievement and the father's education level×mother's education level×structure of family were not significant, the main effects of gender、grade and achievement were very significant,but the main effects of the parents'education level and structure of family were not significant.

Key words: adolescent, friend network