忠与孝均为中国传统政治道德,在不同时期二者的次序并不相同。两汉至唐前期,孝居于核心政治道德的地位;中唐以后,忠的地位上升并超越孝。本文即对此差异及其影响略予分析。 Both loyalty and filial piety are traditional Chinese political morals. The order of the two is different at different periods. From Han dynasty to early Tang dynasty, they dwells in the core of political ethics. Since the middle of Tang dynasty, their loyalty has risen and surpassed filial piety. This article is about the differences and their effects slightly analyzed.