The research status of CRM information retrieval field under cloud computing environment is analyzed, and the information security and personalized service requirements under cloud computing service mode are emphasized. At the same time, aiming at the construction of user interest model, it introduces the newly emerging energy-saving technologies and algorithms in the hardware layer, operating system layer, application layer and cluster layer of the data center server, and gives other research problems of data center energy saving. Informatization leaders with the characteristics of leadership can establish a model of the impact of mixed high-level leadership styles on the digestion and absorption of enterprise information systems by promoting psychological safety and open communication, and verify the model through questionnaires.