Originally,space is closely linked with people,rights and capitals.The equity of urban space is a sign of modern social civilization and progress.Since the middle and later period of the 20th century, the equity of urban public space has gradually got the wide attention of scholars in various fields.Based on systematic theory and interdisciplinary points this paper tries to find the four dimensions out to explain the basic theory of equity of urban space,which includes the consistency between the equity of urban space and personality attributes;the relat ionship between the equity of urban spa...