Abstract: Bottom line ethics is the basic morality that people should abide by in daily life and the specific code of conduct to maintain social harmony and stability. It is a kind of ideological and moral education with the combination of universality and particularity. In order to enhance the effectiveness of ideological and political education in colleges and universities, it is necessary to advocate and practice bottom line ethics as the basic premise and guarantee. Although the effectiveness of ideological and political education in colleges and universities can be improved by various resources and means, the bottom line ethics is an important aspect. As the cornerstone of ideological and political education in colleges and universities, bottom-line ethics shows its unique advantages and charm in terms of content characteristics, value of The Times, educational progress, social influence and national development. It can be said that it is an important resource for us to improve the effectiveness of ideological and political education in colleges and universities.

Key words: Colleges and universities, Ideological and political education, Bottom line ethics, using