第四部分是关于此次跨行业并购的绩效分析，首先基于事件研究法对此次并购带

The fourth part is about the performance analysis of this cross-industry M&A. Firstly, it evaluates the short-term market response brought about by the M&A based on the event research method, and then combines non-financial indicators, from strategic transformation, market share, technology research and development capabilities and brand The image four levels evaluate the long-term performance of mergers and acquisitions, and finally analyze the synergistic effects of operation, finance, and management after mergers and acquisitions based on traditional financial indicator analysis. The fifth part is the conclusions and recommendations. It summarizes the conclusions and successful experience of this cross-industry M&A case, and brings suggestions to other companies.

The fourth part is about the performance analysis of cross-industry mergers and acquisitions, first of all, based on the event research method to evaluate the short-term market reaction brought about by the merger, secondly, combined with non-financial indicators, from the strategic transformation, market share, technology research and development capabilities and brand image four levels of the long-term performance of mergers and acquisitions, and finally based on the traditional financial indicators analysis of the merger after the operation, finance, management synergies analysis. The fifth part is the conclusion and suggestion, summarizes the conclusion and successful experience of the cross-industry merger and acquisition case, and brings the suggestion to other enterprises.

The fourth part is about the performance analysis of the cross industry M & A. firstly, it evaluates the short-term market reaction brought by the M & A based on the event research method. Secondly, it evaluates the long-term performance of the M & A from the four aspects of strategic transformation, market share, technology R & D ability and brand image combined with non-financial indicators. Finally, it analyzes the long-term performance of the M & A based on the traditional financial indicator analysis method This paper analyzes the synergy among business, finance and management. The fifth part is the conclusion and suggestions, summarizes the conclusion and successful experience of this cross industry M & A case, and brings suggestions for other enterprises.<br>