Abstract: A tunnel oil pollution monitoring system based on hyperspectral imaging is designed, which is mainly composed of oil pollution monitoring system, upper computer management system, data processing module, oil pollution cleaning module and so on. Wireless sensor network is used to realize communication. The system realizes the automatic warning of excessive oil pollution in the tunnel and the accurate cleaning of oil pollution, which improves the anti-skid performance of the tunnel ground and ensures the safety of vehicles driving in the tunnel.The system has the characteristics of simple operation and comprehensive function, which can improve the efficiency of tunnel management and the accuracy of decision-making.