文章通过叙述孟子人性论中的“养其大体”还是“养其小体”的思想,阐述了道德信仰的基本认识、价值和意义、规范与自由、主体与依据。分析了当今社会道德信仰缺失的状况及其发生的原因,联系实际提出了道德信仰的重建与培养的对策和方法。 The article elaborates the basic understanding, value and meaning, norms and freedom, subject and basis of moral belief by describing the thought of “keeping his body” or “raising his body” in the theory of human nature of Mencius. This paper analyzes the current situation of the lack of moral belief in society and its causes, and puts forward the countermeasures and methods for the reconstruction and cultivation of moral belief in connection with the reality.