PROBLEM TO BE SOLVED: To provide a particle beam therapy system and a method for equipment update of the particle beam therapy system which make it possible to update equipment efficiently.SOLUTION: A particle beam therapy system 1 comprises: a charged particle beam generation device 2 for generating a charged particle beam Bm； a first irradiation device 4 (1) for irradiating a predetermined irradiation target with the charged particle beam； a first beam transport device 3 (1) for transporting the charged particle beam from the charged particle beam generation device 2 to the first irradiation device 4 (1)； and a first vacuum valve 33 (1) provided for the first beam transport device 3 (1).SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】効率的に設備を更新できるようにした粒子線治療システムおよび粒子線治療システムの設備更新方法を提供すること。【解決手段】粒子線治療システム１は、荷電粒子ビームＢｍを発生させる荷電粒子ビーム発生装置２と、荷電粒子ビームを所定の照射対象へ照射させる第１照射装置４（１）と、荷電粒子ビームを荷電粒子ビーム発生装置２から第１照射装置４（１）へ輸送する第１ビーム輸送装置３（１）と、第１ビーム輸送装置３（１）に設けられる第１真空バルブ３３（１）と、を備える。【選択図】図１
