Bioethics is defined in the Encyclopedia of Bioethics as'The systematic study of human conduct in the area of the life sciences and health care, insofar as this conduct is examined in the light of moral values and principles" (Reich, 1978). The term bioethics is almost synonymous with biomedical ethics (Beauchamp & Childress, 1989). Brody & Engelhardt (1987) point out: 'because we are all either prospective patients or family members of prospective patients, the bioethical issues raised by contemporary health care are unavoidable.' Therefore, bioethical issues are inevitably confronted by everyone sooner or later. In the classrooms, bioethical issues arc likely to be increasingly in the spotlight in coming years (Simpson, 1996), and there are several justifiable reasons for placing bioethical issues in the curriculum (O'Brien, 1996). Many modern advances in science and technology have social implications. Notably among them are bioethical issues, such as human fertility controls, sex pre-determination, birth controls, abortion, AIDS & sexually transmitted diseases, homosexuality, euthanasia, genetic manipulations, animal experimentation, and environmental protection. Attitudes towards these bioethical issues not only affect the welfare of the present generations, but also have serious social repercussions extending to the future generations. The Hong Kong Government have urged schools to help students develop moral qualities so that they would become ethical and responsible citizens. Such an aim of education as to build up moral and ethical character has been strongly advocated since 2500 years ago by Confucius, and recently notably by Johann Friedrich Herbart (Gangel & Benson, 1983). Therefore it is of great importance to see whether our Hong Kong college students have conscientious judgment in these bioethical issues. The present study intends to investigate (i) the concepts of ethics and bioethics, (ii) the attitudes & rationales towards various bioethical issues