“中体西用”是近代第一个寻求社会发展最积极完整的理论论纲，其鲜明特色在于提出以西学为用的新主张，成为当时进步认识之共识；“民主共和”则以振兴中华相号召，以实现共和体制为理想，是为民主革命的时代标识。这继起的两大社会发展理论，从理论及实践上将中国近代化运动予以启动并引向深入，其中学习西方以御外侮、振兴中华以立世界民族之林的号召与努力，则成为整整一个时代的主题。从“中体西用”到“民主共和”，是中国近代化发展的轨迹，也是历史的选择。 “Central China and Western Learning” is the first theory to seek the most positive and complete social development in modern times. Its distinctive feature is that it proposes a new proposition of using Western learning as the consensus of progressive understanding at that time. “Democratic republic” Phase call, in order to achieve the ideal of the republican system, is the symbol of the era of democratic revolution. The two major social development theories that follow this move have initiated and directed the modernization of China in theory and in practice. Among them, the call and efforts of learning from the West to resist the aggression of foreign nations and rejuvenate the Chinese nation to establish a nation of the world’s nations have become complete The theme of an era From “using Western China to Western countries” to “democratic republic” is the track of China’s modernization and the choice of history.