The invention discloses a software configuration management auxiliary system, which comprises a computer general computation module running following program modules: a configuration planning management module [102], a configuration control management module [103], a configuration state management module [104], a configuration auditing management module [105], a SERENA interface module [106], a single sign-on integrated module [101], an information and document management module [107], and a file package processing module [108], and is implemented by a software configuration management informatization system covering a CJB5000A software configuration management process area according to requirements on military software maturity model and regulations of software configuration management. The software configuration management auxiliary system has solved problems, such as that the prior software management tool is lack of flow control and localization, and has defects in usability, operability and expandability, so that work efficiency of a software configuration manager is improved, time of system designers spent on the software configuration management is reduced, and high efficiency, correctness and integrity of software configuration management work are ensured.