This paper examines the imperfection of the public ethics in the following modem era according to" the Chaos Theories" of New Science". It makes the public administrator facing the challenge of chaotic, out-of-order, not balanced environment. In this kind of non-linear environment, the public administrator who will discover the deep order and make great efforts to control the disorder is to be the important vindicator with the stable spiritual power for the unsteady world. The paper concludes that the public administrator should take on the important responsibility in his action, make use of the method to redefine duty in diversified and technical society, and organize the people to reconstitute our value, faith and the ethical rules from the three aspects: leading, harmonizing and constructing. It will carry out the public administration's dual attribute with unifying subjective and external responsibility, and construct the harmonious spiritual Garden of Eden between people and people, people and his soul, which is satisfying the citizen's benefit into reality.
