The purpose of this study was to investigate the effects of parent`s conflict, parent`s hostile attitude, anger on children`s adjustment according to their gender. The theoretical model was specified and estimated. Subjects of this study consisted of 559 children drawn from 5 elementary schools in Chungbuk province. The pilot study was used to examine the applicability of survey instrument. The test of model was done with analysis of correlational matrix in LISREL Ⅷ package using a maximum likelihood estimation. The theoretical model proposed was supported by the data and fitted adequately. The results of this research were as follows: 1) for boys, the intensity of parent`s conflict directly influenced on parent`s hostile attitude toward children. It also made an indirectly influenced on externalizing·internalizing adjustment for boys mediated by parent`s hostile attitude toward children and anger. 2) for girls, parent`s conflict(intensity, frequency, unresolution) directly influenced on parent`s hostile attitude toward children. It also made an indirectly influenced on externalizing·internalizing adjustment for girls mediated by parent`s hostile attitude toward children and anger. 3) Anger in boys and girls was the most important factor externalizing·internalizing adjustment