Objective: Activities concerning demand reduction and specially addict’s treatment and rehab have outstandingly improved in Iran. Now different treatment alternatives such as outpatient and residential care centers such as‚ abstinence based and spiritual therapies like, narcotic anonymous are developed. Treatment program in human recovery population is, replacing opium tincture and gradually reduction of it (during 11 month).and it includes group and spiritual therapies.

Materials & Methods: this research is an economic and descriptive study one which has been done longitudinal during 3 months (from the beginning’ one and three months after entrance). Participants include all addicts over 40 who have referred to the society (congress 60) for detoxification. choosing the samples has been based on the method of accessible sampling. Demographic questionnaire and checklist of payment of treatment cost (directly or indirectly) have been collecting information tools. Data’s have been analyzed by software spss.

Results: out of 33 people, 15 were over 50 years old. Opium abuse With the frequency of 12 people (36.4%) ‚heroin crack with the frequency of 14 people (42.2%) had the most frequency . Monthly cost of drug abusing is on average 1,598,490 Iran Rials (IRR), for each person. The sum of official costs is 77,200.000 IRR in a year, in order to continue governmental support of services. Private charitable contributed the society about 350,000,000 IRR in 2010. This contribution was spent on rehabilitation of addicts.

Conclusion: The net cost benefit ratio is about  58% and the net sum of saved 167,744,740 IRR therefore, it can be concluded that the benefits of treatment and detoxification of the mentioned society has been effective.