This invention provides a particle beam therapy system which comprises a plurality of machinery control devices respectively including: a machinery operation parameter calculating unit for obtaining machinery operation parameters by calculating a data provided from a machinery data server； and a machinery operation parameter verification data generation unit for generating a machinery operation parameter verification data to verify integrity of the machinery operation parameters； wherein the machinery data server includes: a machinery operation parameter comprehensive calculating unit for obtaining each machinery operation parameter by calculating the supplied data； a machinery operation parameter verification data comprehensive generation unit for generating each machinery operation parameter verification data to verify integrity of each machinery operation parameter； and a verification data comparison unit for comparing each machinery operation parameter verification data received from the plurality of machinery control devices and each machinery operation parameter verification data generated by the operation parameter verification data comprehensive generation unit.粒子射線治療系統之複數個機器控制裝置分別包括：機器運轉參數演算部，依據由機器資料伺服器所給予之資料來演算並求得機器運轉參數；以及機器運轉參數驗證資料製作部，製作以對該機器運轉參數的健全性進行驗證之機器運轉參數驗證資料；上述機器資料伺服器包括：機器運轉參數綜合演算部，依據所給予之資料來演算並求得各個機器運轉參數；機器運轉參數驗證資料綜合製作部，製作用以對各個機器運轉參數的健全性進行驗證之各個機器運轉參數驗證資料；以及驗證資料比較部，對從複數個機器控制裝置接收之各個機器運轉參數驗證資料，與由運轉參數驗證資料綜合製作部所製作之各個機器運轉參數驗證資料進行比較。
