Child abuse is one ofthe important problems all over the word.

The purpose of this research is study of the effect of child abuse on misuse of substances in adulthood.

The examinees of this research are persons that were engaged to misuse of substances.

The examinees that have conditions according to DSM-IV and international diagnostic interview (CLDL) organization of therapeutic services title of aim groups in individuals and groups form were selected. For normal study of scores distribution of Colomugro of Smirnouf for study of relationship between researches variables of Pearsonian and for comparison and for comparison between groups of Levins test analysis variance test.

The results of the investigation show that P < 0.036 and r= 0.617) in arrangement : affective child abuse: P< 0.029,r=0.669 neglect child abuse : P< 0.045 and r=0.587 physical child abuse: P< 0.022 and r=0.694 sexual child abuse P< 0.012 and r=0.797). Also the results of this research show that the relationship between child abuse and time of substances use was P< 0.043 and r= 0.555 in arrangement: affective child abuse : P< 0.046 and r=0/0521,neglect child abuse : P< 0.027 and r=0.681 physical child abuse, P< 0.041 and r=0.575 sexual child abuse : p< 0.032 and r=0.634 only between sexual child abuse and species of substances was meaningful (P< 0.000) in sum.

The results of this research show that the existence of precedents child abuse is important cases that individuals in adulthood inclined to the addiction.