左宗棠一生崇尚并致力于经世致用之学，以上筹国计、下利民生为己任，这主要是受他所处的时代的影响。同时也和他早年贫寒的家境，儒家思想的熏陶，经世派人物的影响及其早年所学等因素密切相关，这些都是左宗棠经世致用思想的渊源 Zuo Zongtang advocated and devoted himself to the study of the world through his life, and his responsibility to raise the national income and livelihood of the people above is mainly due to the influence of the era in which he lives. At the same time, it is also closely related to his early poor family, the influence of Confucianism, the influence of his family members and his early years, all of which are the origins of Zuo Zongtang’s thought of using the world