Abstract: The mode of general library and branch library has attracted the attention of libraries at home and abroad for its effective co construction and sharing benefits. The system of general library and branch library emphasizes the unified allocation and utilization of resources within the system, pays attention to the co construction and sharing of literature resources, and has higher requirements for the construction and allocation level of literature resources. In accordance with the transformation of the role of the Library under the environment, this paper actively explores the optimization strategy of the acquisition of literature resources, combines theory with practice, explores the unified and reasonable allocation and utilization of the literature resources of the general and branch libraries in the system, gives full play to the advantages of new technologies in the acquisition of literature, develops new ideas of the acquisition of literature resources of the general and branch libraries, and improves the construction level of literature resources.

Key words: total library system, literature acquisition, strategy optimization