Abstract

Controversial issues of ethical life as the twenty-first century technological development increasingly hot, this paper attempts to ethical principles of thinking, the importance of analysis of bioethical issues, including the social system, economic development, rapid changes in personal life to bring challenges, such as suicide, abortion, etc., as well as caused by the technology of social and cultural changes that become the core of modern society, public issues, such as in vitro reproduction, surrogate motherhood, human cloning and so on. This article discusses these issues of life, on the one hand the principles of rational thinking, doctrine, analyzed and summarized the basic principles of life and death choice behavior as a basis for judging; one more to regulate the ethical reflection, choice behavior of human moral meaning and value to its . And ethical issues by exploring the life and discussion, critical reflection as a tool for the value of life. The four principles of bioethics advocated by Beauchamp and Childress in their co-authored book The Principles of Medical Ethics published in 1979 have emerged as the universally accepted norm of bioethics today. This paper intends applied these four principles on moral issues, eg suicide, euthanasia , abortion, in-vitro fertilization, surrogate motherhood and human cloning. From these bioethical points of view, we'll concern the value of life