The growth, development and operation of any system are subject to the tradition, the culture and the environment. States in a comparative analysis of the legal system of the administrative ethics, we found there is a common feature between the governments. For example, the advanced democratic countries usually have a higher level of the spiritual culture, the economic environment and the healthy democratic political culture. On the other hand, governments can also be observed in actual operation of the political system and its culture, history, social and environmental factors are closely related to. Similarly, countries under globalization also have different development for the needs of its administrative ethics. In order to understand the global trends of the legal system of administrative ethics, in this paper, through literature review, the relevant provisions and organizations about the administrative ethics in the countries are collated; in the United States and other seven countries of the current situation, the administrative ethics trends and challenges will also proposed.