The invention relates to a remote debugging device and debugging system. On one hand, a remote control module receives an image display signal of a monitoring background and then sends the image display signal to a switch, the switch forwards the image display signal to a wireless communication module, and the wireless communication module sends the image display signal to an on-site debugging host through a network for image display; therefore, projection from a monitoring display interface of a monitoring background to a display screen of the on-site debugging host is realized, and workers in an equipment room can obtain visual monitoring data conveniently, so that the workers are helped to reasonably set telemetering quantity, accurately send signals, accurately judge observation results and the like; and on the other hand, the wireless communication module also receives a control instruction of the on-site debugging host, and sends the control instruction to the remote control module through the switch, so that the remote control module controls the monitoring background to execute a remote control action according to the control instruction, thereby realizing remote debugging of the monitoring background by workers in the equipment room, and improving the debugging efficiency and safety.