Taking the main belt of the Mingyang inclined shaft of the Outer Transport Group of Shanxi Express Coal Co., Ltd. as an example, the analysis and research on the centralized control requirements of the main transportation equipment of large modern coal mines, from the protection of various parts of the belt and PLC programmable control in the aspect of belt transportation, the application of belt centralized control technology in Dongqu Coal Mine is discussed, and the belt is safe and reliable in normal maintenance.