Moral education in colleges and universities is the main channel of cultivating moral virtues of students. Nowadays, the ecological crisis of moral education in colleges and universities is under the spotlight. Many ecological problems are found in interior, exterior and self aspects of moral education in colleges and universities, examined by means of ecological concepts and methods. They result in the inefficiency of moral education in colleges and universities. Therefore, it is of great significance for improving the efficiency to construct the ecological system of moral education in colleges and universities.