Religion and to be religious can play an important role in human's individual and social life. The religion can be entered in many aspects of human behaviour and can affect on their behaviour and reduce probably of abnormal functions.So the study was aimed to investigate personality traits and religious orientation in two groups of addicted and nonaddicted people.

91 addicts people(in prisons)selected and were compared with 91 nonaddicted people. McCare & Costa's Five-factor personality test (NEO-PIR) and Alport's religious orientation scale (AROS)was adminidtered on them.T independent test was used to analyze the data.

Results showed significant difference between personality traits and religious orientation in tow groups. Nonaddicted people are more conscientiousness and less extrinsic religious orientation than addicted people.

Based on results it is suggested to do plans to increase intrinsic religious orientation related to personality traits in order to decrease tendency to addiction.