The relationship between innovation openness and innovation performance is a hot issue in innovation management area,but the existing researches on how the degree of innovation openness affects the company innovation performance are not profound and comprehensive enough.Using new ventures as our research objects,this paper introduced the organizational learning and environment institution these two important variables,built a new theoretical model on the mechanism of action about innovation openness、organizational learning and environment institution toward company innovation performance,and used multiple regression analysis and other methods to implement an empirical analysis of 354 valid questionnaires received.The results show that:Innovation openness, organizational learning and institutions environment all have a positive impact on the performance of new ventures; Innovation openness has a positive impact on organizational learning; organizational learning has significantly moderating effect on the relationship between innovation openness and new firm performance; institutions environment has significantly moderating effect on the relationship between innovation openness and new firm performance; as well organizational learning and new firm performance.