With the advent of the knowledge-based economy, such as private high-tech enterprises have sprung up to meet the rise, and rapid development. Private high-tech enterprise of science and technology innovation as a major force. at the national and regional economic growth plays a vital role. However, the private high-tech enterprises with a small scale, risk determines the characteristics of private high-tech enterprises have many inherent deficiencies. Main features : Firstly, the private high-tech enterprises generally smaller scale, use of raw materials and products output was relatively small, resulting in the production and higher costs; Secondly, As the private high-tech enterprises have limited strength, it is difficult to establish an effective distribution channels; Again, As more managers for the technology, in management philosophy constraints hampering enterprise development is also a major factor. Due to mergers and acquisitions of enterprises to provide an impetus for continued growth, and mergers and acquisitions will be corporate life cycle of one of the eternal theme, So often merger will give enterprises to maximize long-term returns. Text is divided into five chapters. The first part of private enterprises merger synergies the significance of the study, as well as domestic and foreign-related aspects of doing a survey. Chapter II of the private high-tech enterprises to conduct theoretical defined and proposed merger synergies and funding synergies concept. Chapter III of private high-tech enterprises to follow on the merger synergies theoretical research results, Merger synergies for the management of synergies, operating synergies, financial synergies, intangibles of synergies and industrial synergies for analysis. Chapter IV of private high-tech enterprises that merger synergies were the main problem is not properly handled merger synergies with the many external to -. Chapter V address the problem made some suggestions in order to improve the private high-tech enterprises merger synergies.