每个民族由于有着共同的语言、共同的地域、共同经济生活的历史渊源,承接着大体一致的文化积淀,因而具有表现于共同文化上的共同的心理素质,所以世界各民族呈现出不同的民族特色:德意志民族的重哲理思辨、法兰西民族的重情感情爱、英国人的绅士风度、美国人的开放性格、日本人的善于博采异邦之长、中国人的重孝尊亲。这种民族心理素质不仅是历史发展的产物,同时它又对一个民族的发展产生不可忽视的作用,所以我们有必要对这种民族心理素质的产生及发展作一番探究。本文力图从探讨先秦时期的孝与忠观念入手,寻找中国孝亲思想产生的原因及其社会作用。 Each nation has its own common cultural heritage because of its common origins of language, common areas and common economic life, so it has the common psychological quality manifested in the common culture. Therefore, all ethnic groups in the world have different nationalities Characteristics: the German philosophical thinking of the nation, the heavy feelings of love and affection of the French nation, the British gentleman, the open personality of Americans, the Japanese are good at exploiting the longing for different nations, the Chinese honor and honor their parents. This national psychological quality is not only a product of historical development, but it also plays an important role in the development of a nation. Therefore, it is necessary for us to probe into the emergence and development of this national psychological quality. This paper tries to start with the discussion of the filial piety and loyalty concept in the pre-Qin period and find out the causes of the filial piety in China and its social role.