Given the growing importance of technology and innovation to high-tech firm competitiveness, there need propose an expanded research framework including the role of technology in driving mergers' decision, the impact of mergers on technology innovation, especially for Chinese high-tech companies. This paper studied the effect of M&As and technology-driven M&As on post-M&A technological innovation performance of acquiring firms, built theory model “strategic motives- different types of acquisitions- technological performance” and basic propositions based on the logic mentality "motivation-conduction-performance" through literature study and interview. In the end, some limitations of this research and important future directions for further research are pointed out.