The utility model relates to a marine refrigerating plant operates training simulator, including controlling chuck table, PLC and simulation computer, control chuck table be equipped with with the similar IO equipment of actual marine refrigerating plant control box outward appearance, it includes switching value input device, switch quantity output equipment, analog quantity input device, analog output equipment to control chuck table IO equipment, the simulation computer includes human -computer interaction system and operation simulation system, and the human -computer interaction system includes collection, storage module, monitoring module and the executable module of human -computer interaction interface, sound analog system and data, the utility model discloses a marine refrigerating plant operates training simulator adopts various measures to cut off or has blocked the interference source, has improved whole training system's interference killing feature greatly.