Objective To develop the information management system in the Department of Radiotherapy,optimize the procedures of radiotherapy, realize the informatization of radiotherapy process management and improve medical efficiency. Methods Multi-digital template was adopted to integrate the information of cancer treatment. The server was equipped with multi-terminal mode to establish the information management system of radiotherapy process. The work authority was assigned according to different positions. The system was connected with radiotherapy plan system (TPS),hospital information system (HIS) and picture archiving and communication system (PACS) to realize the information collection, recording charges, information transmission and plan evaluation and audit in Department of Radiotherapy. Results The information management system optimized the radiotherapy procedures,strengthened connection among different systems, linked the information systems among different departments, standardized the radiotherapy procedures and enhanced the clinical efficiency. Conclusions The application of information management system improves the management level of radiotherapy process, establish a unified standard for cancer treatment and provide complete management plans for the radiotherapy process and quality control. It is a unique and prospective system,which is advantageous in the management of treatment process,systematization of information collection and quality control.