Remote monitoring of the monitoring footage seen in the factory office, similar to recording and replaying footage at any time in the control room, is used for training and accident analysis. When leaders travel to see the operation of the unit anywhere, it is often necessary for power plant management personnel to understand the current operation status of the unit in order to make timely and correct decisions. For maintenance personnel, keeping track of the operation status of the unit at all times is also conducive to timely serving the safe and economical operation of the unit. It is essential for management and maintenance personnel to monitor the operation status of the unit in the office area. The thermal power operation playback system developed by Luneng Control provides production process playback function, using graphic simulation technology and real-time database technology to conduct in-depth analysis of the production process, for accident analysis, operation demonstration, case analysis, start stop process analysis, etc. It provides a visual reference for optimizing the boot process, assists in analyzing the cause of accidents after they occur, and provides on-site process playback as well as historical analysis without time constraints.