This study was done to investigate how different the degrees of the parent-adolescent conflicts and the ways of representing the conflicts were according to the sex. The subjects were 468 high school students. For data analysis, mean, standard deviation, ANOVA, and Duncan-test were used. The main results of this study were as follows; 1. There were significant differences between the sex in the degrees of the parent-adolescent conflicts. 2. The ways of representing the conflicts were found to be argumentative behaviors in boys and discursive behaviors in girths. 3. There were found significantly different according to sex in the ways of representing the conflicts according to the degrees of the parent-adolescent conflicts.