Core competence identification, core competence recovery and core competence integration. After COFCO acquired Mengniu, the organizer can integrate the core competence identification, core competence recovery and core competence integration. For Mengniu, an enterprise with core competence despite financial difficulties, the core competence can be identified, restored and integrated. Through the diffusion of competence transmission, the core competence of the acquired enterprise can be transformed into a basic state, thus enhancing the core competence of the acquired enterprise. The integration in this period focuses on financial integration, technology integration, human resources integration, marketing integration and milk source integration.