The invention relates to the field of power system simulation, in particular to a front-end machine simulation model used for power information physical system simulation, and a realization method. The simulation model comprises a front-end data processing simulation module, a front-end machine communication simulation module, a command queue and a data queue. The front-end machine communication simulation module is realized based on logic nodes of an information communication simulator and communicates with an intelligent terminal simulation model in the information communication simulator; and the front-end data processing simulation module serves as an independent module and communicates with the front-end machine communication simulation module through the data queue and the command queue while being in charge of communicating with an SCADA system. By designing the front-end machine simulation model, the problem that a physical SCADA system serves as the information communication simulator in an information physical combined simulation scheme of a simulation link to perform time synchronization and data interaction with the SCADA system is solved.