This paper explored the antecedence of M&A decision and performance based on the resource-based view and dynamic capability perspective. Literature review suggested that resources leverage, acquire complementarity resources and experience learning were the critical factors for M&A. Therefore, we drafted both qualitative and quantitative research method desired to test the relationship of the critical factors and M&A activity. Qualitative research adopted case study technique and visited 4 cases. Quantitative research was searched about consolidation announcements for financial industry to acquire 122 samples. Furthermore, we selected the logistic regression model to construct the probability model for M&A decision. Research found that both the complementary combined and experience learning play critical roles in M&A decision. Moreover, we utilized event study to estimate the normal return of the M&A announcements. And choose multi-regression model construct the M&A performance model. The results indicated that complementary combined had a positive effect on the M&A performance.