Background: Given the importance of anger controlling on addicts aggression at withdrawal beginning and their specific conditions, it is essential that different educational methods tailored to the content anger management to reduce aggression and control anger in the addicted people. Aim: This study aimed to compare the effect of anger management training using workshop and training package methods on the aggression of patients with addiction. Method: In this  randomized clinical trial, 60 Clients referred to the addiction withdrawal clinic of psychiatric hospitals of Mashhad  in 2014-2015, were allocated into three groups, educational workshops)n=20) (4 sessions over 2 days of anger management training) and  training package (n = 20)(trained as a manual and CD) and control (n = 20)(no intervention). Bass & Perry Aggression Questionnaire was implemented immediately before and one month after the intervention.  For data analysis, ANOVA, Kruskal-Wallis and paired t-test were performed, using SPSS version 11.5. Results Based on the results of One-way ANOVA, there was a significant difference between the three groups of workshop (14.7±9.4), training package (10.3±5.3), and control (-2.8±3.6); (P