Accounting case data analysis risk rule indexing method and system

The invention provides an accounting case data analysis risk rule indexing method and system. The method comprises the steps of S1, splitting a rule into indexes; s2, classifying the indexes according to different processing acquisition modes; s3, different machining tools are selected for different types of indexes for machining; s4, performing unified management on the processed indexes in an index library; s5, combining the basic indexes in the index library to form derivative indexes, and combining the basic indexes and the derivative indexes to form risk rules; s6, corresponding risk data are obtained through screening based on the formed risk rules, whether the obtained risk data meet preset requirements or not is analyzed and judged, and if the obtained risk data do not meet the preset requirements, the step S3 to the step S6 are repeatedly triggered till the preset requirements are met; the index is used for describing an object of a specific risk feature in each risk scene and is a minimum unit formi