本文从新闻自由的发展过程中的关键性人物及著作梳理、分析,挖掘影响约翰弥尔顿、詹姆斯密尔和约翰斯图亚特密尔关于“出版自由”言论的政治哲学源头,即古典自由主义。同时,笔者通过对古典自由主义代表托马斯霍布斯、约翰洛克、卢梭、孟德斯鸠代表作及主要观点的梳理完成对新闻自由的政治哲学原理初探,找到支撑新闻自由发展的政治哲学原理。 This article analyzes the key figures and writings in the process of the development of freedom of the press, and analyzes the politics that influence John Milton, James  Mill and John  Stuart Mill’s remarks on “freedom of the press ” The source of philosophy, classical liberalism. At the same time, the author completes the exploration of the political and philosophical principles of freedom of the press by combing the representatives of classical liberalism, Thomas  Hobbs, John  Locke, Rousseau, Montesquieu and the main points of view, and finds out the principles of political philosophy that support the free development of the news .