2009年随着国家对林区棚户区改造工程的开工建设与夏秋季林下山特产品的采集,呼中区每年均有5 000余人次的外来务工人员流入,公共娱乐场所也从11家增至36家,暗娼从不足10人增至90余人,2005年有HIV感染者1例,现已累计报告HIV和AIDS各2例。针对以上情况,此次研究选择呼中区公共娱乐场所内 In 2009, as the state started the construction of the shantytowns reconstruction project in the forest area and the collection of special forests under the mountains in summer and autumn, more than 5 000 migrant workers flowed into the Huhhot District and the number of public entertainment venues increased from 11 to 36, and the number of female sex workers increased from less than 10 to more than 90. In 2005, there were 1 case of HIV infection and 2 cases of HIV and AIDS have been reported cumulatively. In response to the above situation, the study selected Huzhong District public entertainment venues