PROBLEM TO BE SOLVED: To provide a face size determination device allowing an object person to easily and accurately determine his/her own face size, and to provide a method for determining the face size.SOLUTION: This face size determination device includes: a measuring section for supplying a current with respect to the face of an object person and acquiring a potential difference an arithmetic section for calculating at least one of the thickness of subcutaneous adipose and a swelling index value of the object persons face using the measurement result by the measuring section and a determination section for determining the size of the object persons face on the basis of the calculation result of the arithmetic section and prescribed determination conditions.COPYRIGHT: (C)2013,JPO&INPIT【課題】対象者が簡便かつ正確に自身の顔サイズを判定することのできる顔サイズ判定装置及び顔サイズ判定方法を提供する。【解決手段】対象者の顔について、電流を供給するとともに電位差を取得する測定部と、測定部による測定結果を用いて、対象者の顔の皮下脂肪厚及びむくみ指標値の少なくとも一方を演算する演算部と、演算部による演算結果及び所定判定条件に基づいて、対象者の顔のサイズについて判定する判定部と、を備える。【選択図】図4