Abstract: Abstract: perceived value of Public cultural space is used for evaluation of the public perception of cultural facilities , environment and other services. On the basis of combing the relevant research, this paper use descriptive statistics and factor analysis, from the perspective of customer experience, has investigated in representative Exhibition Public Cultural Space of Guangzhou downtown, such as museums, memorial halls, galleries, to extract the public perceived value dimension and build perceived value system. The study results display that perceived value of exhibition Public Cultural Space include nine measurement dimensions, 38 constitute. i.e. Venue Value, cost value, personnel service value, ancillary facilities value , resource quality value, leisure value, ancillary services value, infrastructure value, resource management value. By Importance - Performance Analysis method to identify the public perceived differences on expectations and performance of the evaluation factors of exhibition public cultural space, we make an objective evaluation of service performance of Guangzhou downtown cultural venues, and draw research conclusions and recommendations.