The first month 25) (Gengwu years, February 20, 1990, the United Nations convened a special meeting to combat the drug problem in New York for the first time. Reference from 20 to 23 February 1990, the United Nations banned the drug problem in New York for the first time held a special meeting to discuss. The official name of this conference, international cooperation against the illicit production of narcotic drugs and psychotropic substances, supply needs, trafficking and distribution of the special session of the General Assembly ". Most countries are represented. "Political Declaration adopted at the meeting, announced the overall strengthening of international cooperation, with the abuse and to combat the scourge of illicit trafficking in narcotic drugs, the Global Programme of Action adopted by the General Assembly, proposed that countries should take a wide range of anti-drug measures, such as the prevention and reduction of drug illegal demands, control the supply of narcotic drugs, the suppression of illicit drug trafficking, strengthen the judicial system. The General Assembly proclaimed 1991-2000 as the "Decade of the United Nations anti-drug".