Abstract
The aim of this research is checking the effect of group counseling on aggression decline of primary student in Bushehr city. Four hypotheses are demonstrated for this reason: 1. there is a right relationship between group counseling and obduracy decline of middle school students. 2. There is a meaningful relationship between group counseling and nervousness decline. 3. There is a meaningful difference between group counseling and the influence on student’s aggression. 4. There is a meaningful relationship between group counseling and student’s insult decline. The statistical society includes all primary students who are studying Bushehr and 100 numbers of them are selected as a model on the basis of clustered accidental sampling method. It is used for information compilation from aggression test of Arnold.H.Bas and Mark Pary and the yield results are analysis by Pierson correlation method and then all the results confirm entire research hypotheses