Purpose of this research was the effect of meta-cognitive treatment in group method onthought control strategies in addict man under methadone treatment. Among patients treated with methadone during methadone treatment center in Tarighat no of Tehran city on date Bahman to Ordibehesht 1393 ,30 persons were recruited and randomly assigned to two groups an experiment (n = 15) and group controls (n = 15) were assigned. The participants fill the questionnaires for thought control strategies Wells and Davies before training in method of meta-cognitive and after it. To examin the effect of Metacognitive training method, pre-test was subtracted from pos-testand the means of two experimental and control groups were compared using t-test. The results showed that there was significant differences in thought control strategies between two groups and he mean of the experimental group was lower According to the results about the difference between the control and experimental groups in receiving cognitive training intervention on the Addicts' mind control, it seems, this teaching can be effective in meta-cognitive of the addicts and as a result modify their thought control strategies.
