Abstract: The application of science and technology triggered a series of ethical issues, resulting in some of the more far-reaching negative effects, but we must not be said that the rapid development of science and technology and ethics contrary, the key is how to correctly understand the science, technology and ethics relationship is only by means of scientific and technological development the right ethical and moral guidance, in order to favor the direction of healthy development of the human To fully grasp the profound science and technology and the complex relationship between ethics, science and technology and to promote ethics, coordinated development.