A total of 251 Chinese college students from Shanghai (31 males, 88 females) and Guangzhou (59 males, 73 females) completed a series of scales concerning AIDS related knowledge, affective feelings and attitude toward PWA, discomfort of contact with PWA, perceived responsibility of contracting AIDS, and support of coercive polices. Results showed that college students (a)had misconceptions about casual contagion of AIDS, independent of correct beliefs about AIDS, (b) expressed significant negative feelings toward PWA, (c) expressed discomfort of contact with PWA, (d) did not support coercive policies upon PWA ; (e) did not think it was PWA's responsibility to contract AIDS; and that (a) compared with college students from Guangzhou, those from Shanghai were more knowledgeable of AIDS and exhibited less negative feelings, negative attitude toward PWA and attributed less responsibility to PWA for their contracting of AIDS; and (b) it was misconception about casual contagion of AIDS but not correct beliefs about AIDS that was consistently predictive of negative reactions toward PWA. These findings call for strong efforts in disseminating AIDS related knowledge, particularly what can't cause AIDS, and eliminating negative reactions towards PWA among college students in China, especially students in Guangzhou area.本研究区分艾滋病知识的两个不同侧面: 对艾滋病的误解和对艾滋病的正确认识, 并第一次在中国探讨这两个不同侧面的知识对艾滋病患者的认知、情感、行为反应的不同预测作用。119 名(31 男, 88 女)来自上海、132 名(59 男, 73 女) 来自广州的大学生参加了本调查。结果发现被调查的大学生: 1) 普遍对艾滋病存在误解, 即认为艾滋病可以通过日常的一般接触传染, 并且, 这种误解和对艾滋病的正确认识相互独立; 2) 都表达了对艾滋病患者的厌恶情感、与艾滋病患者接触的不舒服感; 3) 尽管如此, 但都不支持对艾滋病患者采取强制措施, 也不认为艾滋