孙家鼐总结和吸收前人及同时代中外人士有关中西学思想的经验,较早地提出和阐述了“中学为体,西学为用”的思想。他的政治、教育和文化等主张和实践或以“中体西用”为指导,或体现了“中体西用”的思想。他的“中体西用”思想主张实践上的主要成果是筹办了京师大学堂,并对光绪帝的变法产生了直接影响。 Sun Jia-tao summed up and absorbed the experience of both Chinese and foreigners in his contemporaries and foreigners earlier and proposed and elaborated on the earlier thought of “middle school as the body and Western learning as the use”. His political, educational and cultural beliefs and practices are guided by the principle of “using the West and using the West as the medium,” or the idea of ​​“using the West as the medium”. His main idea in practice advocating the idea of ​​“using the west and using the west” advocated the establishment of the Imperial University and had a direct impact on the change of Emperor Guangxu.