Data layer system of information security attack and defense platform

The invention discloses a data layer system of an information security attack and defense platform. The system comprises a common sense and accumulated score competition module, a man-machine score competition module, a mutual question confrontation module and a simulation confrontation module; the common sense and accumulated score competition module is firstly entered to carry out a common sense point competition, and then the man-machine score competition module is entered to carry out a man-machine score competition; and then entering the interquestion confrontation module for interquestion confrontation competition, and finally entering the simulation confrontation module for simulation confrontation competition. The common sense confrontation module is used for calling common sense selection questions from a database of the common sense confrontation module, arranging the selection questions in sequence, popping up a first selection question in sequence, and when the first selection question is selected