| Life science is the theme of 21th century. The development of it is the requirement of period progress. Aid reproduction technique; Organ transplantation; Gene engineering;Clon stem cell technique. All above forebode that human are getting into the life territory which is the core territory of themselves. Development and application of the Life science change the matter condition of society and bring about progress and benefits for human. But at the same time there occurrence lots of new troublesome issue about ethics,morality and law.Several times graveness progress of the life science and its history, proceeding, current situation and the reform in correlate territory at internal which effect the ethics far-reaching. Aid reproduction technique change the orthodox concept of procreation; Conflict between Organ transplantation and authority about self body; Gene engineering make people to start cognition the life again;hospitalpice and euthanasia evoke the argument about vivi-value. Clon stem cell technique make people pay close attention to the human's fate.How can investigation and application of the life science effect the ethics? The reason contain life science itself and ethics norm about it. Life science makes ethics changes. Basic dynamic is the contradiction between the progress of life science and the demand to bring benefit to human. palingenesis between new and past is the course of the change. Balance between dynamic state development and quiet state restrict is the result. Direction of the change is to bring benefit to human and boost vivi-quality. All above is the essence relationship between life science and ethics which is a dynamic state course. Implement it need to help each other innocent.Today, tradition ethics concept is assaulted by the quick development of life science. For avoidance and elimination negatively contribution from life science, we should to enhance the dynamic state research about ethics, consummate dynamic state transition mechanism. connection with law and propaganda. handling the advantages and disadvantages of life science to make it develop healthy. |