Method and system for auditing balance of value card for ETC (Electronic Toll Collection)

The invention provides an ETC stored-value card balance auditing method and system, and the method comprises the steps: obtaining the original data of a high-speed stored-value card, and generating a stored-value card ledger; wherein the original data is original detail-level business data of all parties in the full life cycle of the single stored-value card; constructing a single card auditing model to analyze the original data to obtain abnormal detail information of the single stored-value card; wherein the exception details comprise stored value card numbers, service time, exception types, exception amounts and remarks, the exception types and the exception amounts are summarized to form an analysis report of a single stored value card, and balance exception information is summarized and counted according to the exception types; summarizing the original data to obtain summarized data; and constructing a batch auditing model to analyze the summarized data to obtain a summary sheet, and generating a monthly