Abstract: In recent years, technological progress and industrial development have accelerated the integration of factors, and various industries and fields are seeking new growth points. In a highly dynamic and changing environment, from competition to cooperation has become the basic context for enterprise strategy formulation and implementation. More and more enterprises are realizing that it is difficult to maintain sustainable innovation capabilities solely through internal research and development, and are beginning to access and acquire heterogeneous knowledge resources through boundary-spanning technology mergers & acquisitions. At the same time, the rapid development of technology and cross domain integration have made various industries generally face disruptive innovation, causing anxiety about whether enterprises can maintain competitive advantage, while also bringing new opportunities to them. As a strategic response to the environment of cross domain technology integration and the inherent need to maintain competitive advantage in the context of disruptive innovation, latecomers in the field of disruptive innovation have set off a wave of boundary-spanning technology mergers & acquisitions. Therefore, as a new phenomenon of technology mergers & acquisitions, how can boundary-spanning technology mergers & acquisitions promote the disruptive innovation capabilities of latecomers? What are the configuration effects of different boundary-spanning technology mergers & acquisitions conditions on improving the disruptive innovation ability of latecomer enterprises? These issues have attracted significant attention and require in-depth exploration at multiple levels and dimensions. In order to further open the "black box" between boundary-spanning technology mergers & acquisitions and the disruptive innovation capabilities of latecomers, this study, based on resource dependency theory and resource capability theory, adopts the dynamic Two-step fsQCA research method, and selects 163 boundary-spanning technology mergers & acquisitions events that occurred during the "12th Five Year Plan" and "13th Five Year Plan" periods in 18 AI latecomers in China as research objects, exploring the situation from competition to cooperation, The common role of different conditions and factors in boundary-spanning technology mergers & acquisitions in promoting the disruptive innovation capabilities of AI latecomers, as well as the adequacy and necessity of various conditions and factors. The research finds that: (1) There are differences in the configuration of conditions for boundary-spanning technology mergers & acquisitions to promote the disruptive innovation capabilities of AI latecomers in different periods. (2) The approximate factors that promote the disruptive innovation ability of AI latecomers through boundary-spanning technology mergers & acquisitions under different remote factors have different effects. (3) There are significant differences in the paths for boundary-spanning technology mergers & acquisitions to promote the disruptive innovation capabilities of AI latecomers in different external environments. This study constructs a TOE theoretical model for boundary-spanning technology mergers & acquisitions to promote the disruptive innovation capabilities of AI latecomers from a configuration perspective, effectively solving the practical problems faced by latecomers in promoting disruptive innovation development, and providing theoretical reference and inspiration for the development of many latecomers in related disruptive innovation fields. At the same time, this study breaks through the traditional static perspective and introduces the time dimension into the study of configuration effects. It proposes that boundary-spanning technology mergers & acquisitions need to combine real situations to promote AI latecomers to enhance disruptive innovation capabilities, providing useful reference and reference for research related to configuration effects. Finally, this study uses the Two-step fsQCA research method to identify the relative contributions of a subset of variables that have been identified as important in the process of changing local contexts in China, construct and test causal statements that are more insightful and persuasive based on local contexts in China, alleviate the potential problems of traditional fsQCA methods in research related to local contexts in China, and have important reference value for studying the disruptive innovation capabilities of local enterprises in China, It is beneficial to draw management practices that are more in line with China's national conditions.