Comprehensive budget management system is an internal management system for the enterprise to achieve business strategic goals. With "innovation , efficiency , brand" three-dimensional hand as the purpose ,with promoting the fine management as the main line, the built six-in-one comprehensive budget management system including information technology support，JIT control, net output accounting, meticulous management , benchmarking propulsion , timely type of control can realize process information, standardized indicators , fine control , assessment of digital, distribution into the open and scientific decision-making , promote enterprise management innovation and technology innovation, enhance corporate performance management level. The importance of implementation of six-in-One comprehensive budget management system was introduced, the implementation plans and the effects of the six-in-One comprehensive budget management system of Hebei Tianze Heavy-duty Machinery Corporation Ltd. were focused on. It was pointed out that building six-in-one comprehensive budget management system could achieve the optimization and upgrading of enterprise management , improve scientific, modern , digital and control level significantly.