| As of September 30, 2008, China reported a total of 264,302 cases of AIDS cases, of which 77,753 cases were AIDS patients. The existing HIV-infected persons and AIDS patients in China are about 700,000 (550,000～850,000); the infection rate is 0.05% ( 0.04%～0.07%) of total. Our country's infection rate, although not very serious, the situation was very grim. Since there are a considerable number of people who could infect HIV doing some high-risk behavior. In afferent phase of AIDS, several major ways of high-risk behavior lead a substantial growth of the number of infections (intravenous drug abuse, prostitution, illegal blood collection and mother to child transmission), apart from large-scale illegal blood collection almost being disappeared the number of infections persons who infected by other high-risk behavior continued to increase. The conditions of the outbreak of large-scale AIDS epidemic do exist in our country, so we must control the growth of AIDS at the low prevalence time, otherwise the consequences would be unthinkable.Harm reduction strategies are globally used for AIDS intervention and prevention. It has also been implemented in our county for a long time, and it has a certain positive effect. But for some of these measures, there are still controversial. The author first describes AIDS epidemic situation in the world and China and the danger AIDS causes, and reviews the implementation of harm reduction practice of certain countries, regions and our country in general, and some specific programs developed in our country in particular. Then the author addresses some important ethical issues in harm reduction and provides ethical arguments.. Finally the author comes to the conclusion that in our country further promoting the implementation of harm reduction strategies, will contribute greatly to the AIDS prevention and effectively controlling the spread of AIDS.
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