Parents and children from tender age through adolescence continue to renew relationships with each other. This study aims to show how Training Educational pattern influenced the Parent-Child Relationship subsequent critical thinking. In this study quasi-experimental pretest-posttest control group method was used. Statistical population of all female students in twelfth grade schools in Birjand is intended to achieve the main objective of this study. Pattern group was achieved by using the cluster sampling multistage method. A typical school in the city of Birjand was randomly chosen with a class considered as a sampling unit and finally the samples generated are divided into experimental and control groups. Questionnaire used were based on variables of Parent-child relationship (Fine, Morland and Schwebel,1983), and critical thinking (Ricketts, 2003). Data generated were analyzed through Multivariate covariance examination. The result indicates that parent-child relationships are improved by Educational pattern. Also it was demonstrated that relationship improvement due to Educational pattern increases children’s critical thinking in the aspect of creativity& commitment. It should be noted that according to the results besides the improving parent-child relationships due to educational model training, critical thinking dispositions in children is increased as well.