As a global problem, drugs trade has always been a debatable scenario. The first international conference on narcotic drugs was helped in Shanghai in 1909. Gradually, a multilateral system to control production, trafficking, and abuse of drugs was developed. Three drugs control conventions were adopted under the auspices of the United nation (in 1961, 1971 and 1988). Single convention on narcotic drugs, 1961-the aim of the convention was to combat drug abuse by international action that was well co-ordinate. Intervention and control that work together and have two forms. First, it seeks limit the procession,use, distribution, import, export, manufacture and production of drugs exclusively to medical and scientific purposes. Second, it is combats drug trafficking through international cooperation to deter and discourage drug traffickers. Convention on psychotropic substances,1971-An international control system for psychotropic substances was established. It responded ...