Introduction: Drug addiction is a major problem. These have been a personal issue - the focus of social scientists in various fields. In the present study, we were decided to Assess of knowledge and attitudes of military personnel in the prevention of addiction by providing a suitable model.

Methods: This was a cross - sectional study was performed on 900 military personnel to random sampling - stratified by using a self-administered questionnaire in province of Sistan and Baluchestan. Method reliability was fulfilled (test-retest) in two-week interval by 15 personnel and correlation coefficients obtained from the two tests r =0.81. The internal reliability by using Cronbach's alpha was approved 0/78.

Results: The Suitable knowledge about prevention of drug abuse among the officers and soldiers was 45/6% and 25% that 94/8% of staff had a favorable attitude towards prevention of drug abuse. Between knowledge, age, education, work experience, degree status, Parents living conditions, Addiction relatives and between attitude and level of education, marital status, Parents living conditions, Addiction relatives, there was no significant relationship (P<0/05).

Conclusions: The knowledge of the staff towards prevention of drug addiction was not good knowledge. This show that the purpose and principles of training programs to enhance staff knowledge seems necessary. According to various studies to be effectiveness of the health belief model in changing attitudes, increase awareness for prevention and control of risk behaviors, including addiction is recommended.