Financial management system based on big data

The invention provides a financial management system based on big data, and belongs to the technical field of financial management. Comprising data detection and correction, data detection is carried out according to a detection model, model optimization is carried out according to detection results, and the detection results comprise a first to-be-detected result and a second to-be-detected result; recording correction parameters, and performing early warning according to the correction parameters; the storage maintenance module is used for establishing a multi-dimensional data table structure according to a classification rule, and each dimension is stored as a field; setting a maintenance period to maintain the data; the analysis module is used for counting and analyzing the data to obtain an analysis result; the analysis comprises expenditure analysis; the early warning module carries out early warning according to the correction parameters and the analysis result; large-scale, complex and multi-source fi