To provide a motion control sensor system of a moving body and an installation method of the motion control sensor system of the moving body, for preventing a delay in detection information to reaction from a road surface by arranging a sensor such as an acceleration sensor on the unsprung side of the moving body such as a vehicle, and capable of keeping detection accuracy high in the detection axis direction of the sensor by restraining dislocation to the coordinate axes on the basis of the vehicle of a stationary state of the sensor detection axis caused by vehicle motion.

A motion control system of the moving body is a motion control sensor system of the moving body used in the moving body such as the vehicle, and has a uniaxial physical quantity sensor having the detection axis of one axis, and is characterized in that the uniaxial physical quantity sensor is installed on the unsprung side of a suspension device possessed by the moving body, and the detection axis of the uniaxial physical quantity sensor and the operation axis of a vibration damping member possessed by the suspension device, are substantially parallel.