Engineering cost analysis method and system based on balance state

The invention provides an engineering cost analysis method and system based on a balance state, and relates to the technical field of data processing, and the method comprises the steps: carrying out the segmentation of a building model based on a cost prediction demand, and obtaining a self-adaptive segmentation sub-module set; performing module similarity matching on the self-adaptive segmentation sub-module set through a calibration module library, determining similar module mapping, and calling the module cost of the corresponding calibration module for estimation to obtain an initial cost estimation result; and performing similar identifier reconstruction through balance constraint to complete compensation of an initial cost estimation result to generate a cost estimation result so as to perform engineering management of the construction project. The technical problems of capital shortage and construction progress delay caused by large deviation between a project cost estimation result and an actual cons