| Zhang Dongsun propagandizes the Guild socialism in the time of"5.4", that was initiated about the socialism controversy; In the 30s first half propagandized taking"revision democracy"as core national socialism; In the 40s second half time propagandized democratic community principle, advocated the middle-of-the-road line, became one of the"third path"positive movers and representative characters. In fact, Zhang Dongsun's socialism thought was essentially difference from the scientific socialism, it was bourgeoisie's improvement thought. Although Zhang Dongsun's socialism thought which propagandized in three times had its limitation, but it also had many reasonable ingredients.This article's primary intention is discussing Zhang Dongsun's socialism thought and changing reason which propagandized in three different historical periods. based on this, analyzed Zhang Dongsun's unique socialism thought which of similarities and differences propagandizes in three different historical periods. And also carefully analyzed historical value and reference significance to current society of Zhang Dongsun's"socialism"thought. |