The invention belongs to the technical field of economic management and control, in particular to an enterprise economic management cost control system, including the CPU, A CPU input terminal is electrically connected with an item cost estimation input module, A project cost estimation input module comprises a design cost estimation module, Production Cost Estimation Module, purchase cost estimation module and labor cost estimation module, A CPU input terminal is electrically connected with a difficulty coefficient proportional module, the difficulty coefficient proportion module includes expert analysis parameter module, enterprise evaluation parameter module and system evaluation parameter module, A CPU output is electrically connected with a cost prediction module, The output end of the cost prediction module is electrically connected with a data acquisition module, the output end of the data acquisition module is electrically connected with a comparison module, the output end of the comparison module is electrically connected with a system analysis module, the output end of the system analysis module is electrically connected with a prompt cost module, and the output end of the prompt cost module is electrically connected with a central processor.