Abstract: Aiming at the paper drawing files information of power projects generated in the operation process of power work area, a drawing files information management system using WebGIS and computer information fusion technology is proposed. The system is mainly composed of functional modules such as drawing file information collection, drawing file account management, data management, personal center, map tools, operation and maintenance management, etc. It can be used for information management of paper drawing files in power work area system. It breaks through the disadvantages of traditional paper documents, such as low query efficiency, frequent borrowing and easy damage. Greatly improve the management efficiency of power paper drawing files.