PROBLEM TO BE SOLVED: To provide a biomagnetic field measuring apparatus capable of highly accurately detecting a distribution of magnetic vectors of a subject without being affected by the subjects somatotype.SOLUTION: The biomagnetic field measuring apparatus comprises: a magnetic sensor 22 for detecting a distribution of magnetic vectors in a first direction 22a on a measuring surface of a subject 9 a table 21 on which the subject 9 is placed with the back surface, or the surface opposite the measuring surface, in contact with the table, a contact surface of the table in contact with the back surface being deformable a contour measurement unit 2 for measuring the shape of the measuring surface and back surface a control unit 4 for controlling the shape of the contact surface such that the shape become corresponding to the shape of the back surface by orienting the normal direction of the measuring surface in the same direction as the first direction 22a.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】被検体の体型の影響を受けずに、被検体の磁気ベクトルの分布を精度良く検出することができる生体磁場計測装置を提供する。【解決手段】被検体9の測定面における磁気ベクトルの第1方向22aの分布を検出する磁気センサー22と、測定面の反対側の面である背面と接触して被検体9が設置され、背面と接触する接触面が変形するテーブル21と、測定面及び背面の形状を測定する輪郭測定部2と、測定面の法線方向を第1方向22aと同じ向きにして接触面の形状を背面の形状に対応した形状に制御する制御部4と、を備える。【選択図】図1