Method for managing and comparing authority data of large-scale enterprise information system

A method for managing and comparing authority data of a large-scale enterprise information system. The method for managing and comparing the authority data of the large-scale enterprise information system comprises the steps of: configuring a production environment comprising a uniform authority platform and each service application system database address; configuring each authority data of a service application which needs to be inquired and an inquiry authority data SQL sentence of the corresponding service application in the uniform authority platform; configuring a redundant data SQL sentence which comprises a total volume of data and a redundant data inquiry SQL; executing the operation of comparing authority data accessed into the uniform authority platform with the authority data of the service application and inquiring a comparison result; viewing the redundant data in the uniform authority platform; and inquiring a historical difference comparison result and inquiring specific different data and the like. According to the present invention, the different data of both parties of the system can be viewed in real time and the historical different data is provided for inquiry, so that quality of the authority data management work is greatly promoted.