谭嗣同是近代著名的思想家和社会活动家,被人们称为“晚清思想界的彗星”。其思想之激进和深刻,在一定程度上超越了康、梁等资产阶级改良派的思想范围,达到了同时代的最高水平,并成为后来资产阶级革命派思想的先导。谈到谭嗣同,人们更多的是对其“以身殉国”的敬仰,本文着重论述其思想的先进性及产生原因。 Tan Sitong is a modern well-known thinker and social activist who is called “the comet of late Qing thought”. The radical and profound thought went beyond the ideological sphere of bourgeois reformists like Kang and Liang to a certain extent, reached the highest level of the contemporary era and became the forerunner of the bourgeois revolutionary idea later. Talking about Tan Sitong, people are more admiration for his “martyred ”, this article focuses on the advanced nature of its ideas and causes.