A particle beam therapy system, comprising - an accelerator configured to accelerate a charged particle beam, - a particle beam transport unit configured to transport said charged particle beam, - a particle beam irradiation unit configured to irradiate said charged particle beam to an irradiation objective, - a plurality of equipment control devices configured to control respectively a plurality of pieces of equipment which are provided at the accelerator, the particle beam transport unit and the particle beam irradiation unit, and - an equipment data server configured to give data to the plurality of equipment control devices, wherein each of the plurality of equipment control devices comprises: an equipment operation parameter calculation unit configured to perform calculation to obtain equipment operation parameters for operating the accelerator and transporting the charged particle beam by the particle beam transport unit based on data which is given by the equipment data server and an equipment operation parameter verification data generation unit configured to generate equipment operation parameter verification data for verifying soundness of the equipment operation parameters which are obtained by calculating in the equipment operation parameter calculation unit; and wherein the equipment data server comprises: an equipment operation parameter integrating calculation unit configured to calculate each of equipment operation parameters for operating the plurality of pieces of equipment based on data which is given to the plurality of equipment control devices, an equipment operation parameter verification data integrating generation unit configured to generate each of equipment operation parameter verification data for verifying soundness of each of equipment operation parameters which are obtained by calculating in the equipment operation parameter integrating calculation unit, and a verification data comparison unit configured to compare each of equipment operation parameter verification data which is received from the plurality of equipment control devices with each of equipment operation parameter verification data which is generated in the operation parameter verification data integrating generation unit. - an accelerator configured to accelerate a charged particle beam, - a particle beam transport unit configured to transport said charged particle beam, - a particle beam irradiation unit configured to irradiate said charged particle beam to an irradiation objective, - a plurality of equipment control devices configured to control respectively a plurality of pieces of equipment which are provided at the accelerator, the particle beam transport unit and the particle beam irradiation unit, and - an equipment data server configured to give data to the plurality of equipment control devices, an equipment operation parameter calculation unit configured to perform calculation to obtain equipment operation parameters for operating the accelerator and transporting the charged particle beam by the particle beam transport unit based on data which is given by the equipment data server and an equipment operation parameter verification data generation unit configured to generate equipment operation parameter verification data for verifying soundness of the equipment operation parameters which are obtained by calculating in the equipment operation parameter calculation unit; and wherein the equipment data server comprises: an equipment operation parameter integrating calculation unit configured to calculate each of equipment operation parameters for operating the plurality of pieces of equipment based on data which is given to the plurality of equipment control devices, an equipment operation parameter verification data integrating generation unit configured to generate each of equipment operation parameter verification data for verifying soundness of each of equipment operation parameters which are obtained by calculating in the equipment operation parameter integrating calculation unit, and a verification data comparison unit configured to compare each of equipment operation parameter verification data which is received from the plurality of equipment control devices with each of equipment operation parameter verification data which is generated in the operation parameter verification data integrating generation unit. an equipment operation parameter integrating calculation unit configured to calculate each of equipment operation parameters for operating the plurality of pieces of equipment based on data which is given to the plurality of equipment control devices, an equipment operation parameter verification data integrating generation unit configured to generate each of equipment operation parameter verification data for verifying soundness of each of equipment operation parameters which are obtained by calculating in the equipment operation parameter integrating calculation unit, and a verification data comparison unit configured to compare each of equipment operation parameter verification data which is received from the plurality of equipment control devices with each of equipment operation parameter verification data which is generated in the operation parameter verification data integrating generation unit.