Driving seat comfort is closely related to driver's health and work efficiency improvement.Therefore,how to select and evaluate the factors that reasonably reflect the characteristics of the human body comfort is an issue to be considered.In order to solve the problem,a method is proposed.The method attempts to use AHP method to determine the driving seat comfort evaluation from three aspects:engineering evaluation,human biology and driver feel.Construction of the matrix and determination of the sort weights enable the calculation of the hydraulic excavator driving seat comfort.Advocated comfort issue construction should fully take into account the physiological and psychological characteristics of human body to provide the driver with a comfortable,healthy work environment.