Abstract: According to the requirements of qualification certification and laboratory accreditation, starting from the requirements of equipment management and actual working conditions, the requirements for equipment management, measurement traceability and the problems that are easy to occur in the management process are summarized. The instrument and equipment management module of information management system is developed by using user interface (UI) plug-in technology and Gojs technology, which reduces the difficulty of system maintenance and meets the individual requirements of the system user, realizes the cooperation management of instruments and equipment with different authorities, fully meets the requirements of instrument and equipment management in qualification certification and laboratory accreditation, brings a lot of convenience to the use, repair and maintenance, improves work efficiency, and becomes an effective tool for instrument and equipment management.