Abstract: Self presentation in cyberspace is closely related with information technology and cultural construction.This paper bases its analysis of relationships between technologies and self presentation on describing related technologies, self presentation in cyberspace.And the paper puts forward that technologies on one hand, have brought multiple choices to self presentation, and on the other hand, made self get rid of a lot of social constraints which may cause misrecognition of self and irrational reactions from individuals.

Key words: cyberspace, technology, selfpresentation