The improvement of neighborhood vitality in the open space of unit compound community is a major topic in the current urban transformation period. Based on literature review and case analysis, this paper summarizes the current situation of the unit compound community from a macro level, investigates the use of open space in the typical unit compound community in Handan city-Handan steel's Nonglin road community, combines the participatory observation results and the human nature place theory, and uses analytic hierarchy process to put forward an evaluation and quantification table that affects the "use validity" of the open space in the unit compound community, and evaluates the satisfaction of the open space in Handan steel's unit compound. Based on the analysis of the evaluation results, this paper puts forward the optimization strategy for the open space of the unit compound community from three aspects:material environment, space experience and human environment.