Aimed at the problems of flying shear grease lubrication system of a 2250 hot rolling line of difficulty in accuracy and controlling of grease supply,the original doubleline grease lubrication system was reconstructed into an intelligent grease lubrication system.The intelligent grease lubrication pump station after reconstruction was composed of the main control system,the electric pump,pressure sensor,electromagnetic grease feeder and monitoring system,which could realize the oil supply of every lubricating point regularly and quantitatively,and monitor grease supply situation of every lubrication point in real time to ensure grease supply safely.