【Purpose/significance】The alteration of information niche will facilitate the information ecological system to up-grade and keep balance,but it also can cause the imbalance of information ecological system.【Method/process】Through uti-lizing information ecological theory to analyze the dimensions, breadth, overlap and competitive characteristics and evolu-tion laws of entrepreneur information niche. From the perceptions of entrepreneur information functions, resources andcompetitive intensity to analyze the major factors that influence entrepreneur information niche. And from three aspects ofgovernment, entrepreneur and entrepreneurial information environment to put forward the measures for optimizing entrepre-neur information niche.【Result/conclusion】This paper is of importance in both practice and theory, including how to se-lect and adjust information niche reasonably, how to occupate the advantageous opportunities and resources, create new ven-tures, and enrich information niche theory.