PROBLEM TO BE SOLVED: To provide a reforming foundation an applying position for which can be easily determined, which causes no displacement and firmly tightens the body of a wearer to exert the function as a correcting tool.SOLUTION: The reforming foundation 10 has: a sacrum bone member 12 having cushioning property for the wearer and reduced in stretchability stretchable right and left side surface members 13a or the like disposed to cover the periphery of the pelvis of the wearer a stretchability-reduced lower abdominal member 14a or the like applied so as to pressurize the lower abdomen surface of the wearer and a pelvis correcting member 16a or the like detachably disposed at the front face side 15b of the lower abdominal member so as to elastically pressurize the periphery of the pelvis of the wearer and having a fixing end part 31a or the like.COPYRIGHT: (C)2009,JPO&INPIT【課題】容易に付け位置を決めることができ、位置ずれが起こることなく、確実に締め付けて矯正具の機能を発揮することができるリフォーム用ファンデーションを提供すること。【解決手段】使用者のクッション性を有し伸縮性の低減された仙骨部材12と、骨盤周辺を覆うように配置される伸縮性を有する左右の側面部材13a等と、使用者の下腹部面を圧迫されるように装着される伸縮性の低減された下腹部材14a等を有し、使用者の骨盤周りが弾性的に圧迫されるように下腹部材の表面側15bに着脱自在に配置される固定端部31a等を有する骨盤矯正部材16a等を有するリフォーム用ファンデーション10。【選択図】図1