信用的本义是遵守诺言，实践成约，从而取得别人的信任。信用作为一种社会交往的行为规范，形成于人类社会的初期。信用的发展变化也与人类社会的发展变化一样，是有规律运行的连续的过程。现实的信用不过是信用历史演变中的一个片段，它与过去历史有着难以割裂的因果关系。早 The original meaning of credit is to keep our promise and practice it, so as to gain the trust of others. Credit as a social norms of behavior, formed in the early days of human society. The development and change of credit is also the same as the development of human society. It is a continuous process with regular operation. Real credit is but a fragment of the evolution of credit history, which has a hard-to-split causal relationship with past history. early