The publication of the first professional medical ethics textbook "onspectus of Medical Ethics "trongly depended on the attempt of curriculum reform under the spirit of "Emancipate the mind and seek truth from facts".Looking back to the process of compilation and publication of this textbook,the huge significance of "reform and opening up" in the history of textbook construction and discipline development of biomedical ethics in China was highly appreciated.

As a socially vigorous culture,science and technology has an exclusive tendency against ethics. Meanwhile,side effects of science and technology also promote the evolution of bioethics.Based on the above two perspectives,this paper illustrates the importance of building up novel social responsibilities of scientists.Further more,this paper believes that science and technology should not be opposed to,but reciprocal to ethics.As a conclusion,it is the common social responsibilities of all the scientists and ethieists to ensure a fair and just contribution of science and technology for human interests.

This investigation with questionnaires is about the recognition of ethical issues involved in therapeutic cloning and human embryo managemeat, and its aim is to provide basis for working out ethical guidelines of therapeutic cloning and human embryo management. The investigation has been carried out among professionals in the field of obstetrics, gynecology, and reproductive medicine in the east and west parts of our country including 12 third grade hospitals in Shanghai and Xi'an and 20 maternal and child health stations at the district and county levels with randomized sampling and voluntarily billing the questionnaires without name. A total of 400 feedbacks have been received. The results show that 91. 25% of the investigated persons admit researches on therapeutic cloning, and that majority of them recognize that moral status of embryos develops and changes in accordance with the different stages of embryo development, and put forward some recommendations to strengthen the researches on therapentic cloning and the management of human embryos in order to protect the human dignity and support the researches on therapeutic cloning.