Based on the brief inspection of ordinary ideology about loyalty and filial piety in Tang Dynasty, the article studies the ideology and behavior of bureaucrat gentries about loyalty and filial piety.

• 唐代对于官僚士大夫阶层在孝的方面有着完备的伦理要求、制度约束和行为规范,这一阶层在孝的实践上大多能做到“善事父母”。