Plural equipment control devices of a particle beam therapy system comprise an equipment operation parameter calculation unit calculating equipment operation parameters based on data given by equipment data servers individually and an equipment operation verification data generation unit generating equipment operation parameter verification data for verifying soundness of the equipment operation parameters, an equipment data server comprises an equipment operation parameter integrating calculation unit calculating so as to obtain equipment operation parameters of each equipment, an equipment operation parameter verification data integrating generation unit generating an equipment operation parameter verification data of each equipment for verifying soundness of equipment operation parameters of each equipment, and a verification data comparison unit comparing equipment operation parameter verification data of each equipment which is received from plural equipment control devices with equipment operation parameter verification data of each equipment which is generated by the operation parameter verification data integrating calculation unit.