According to the present invention, in order to appropriately extract a target component in a task section by appropriately extracting a systemic component, and to provide a biological light measuring apparatus for detecting transmitted light transmitted through a living body, the present invention The living body optical measuring apparatus of the present invention comprises a waveform measuring section for measuring a dynamic waveform related to the dynamic state of the living body based on the transmitted light transmitted through the living body, and the dynamic waveform of the subject section giving a predetermined task to the subject, A first reference based on at least one of the dynamic waveform of the previous section of the section which is the previous stage of the section, the dynamic waveform of the post-task section which is the latter stage of the task section, and the predetermined value and the first reference based on at least one of the task sections A selection unit that selects correction or non-correction of the dynamic waveform based on a difference between the dynamic waveform and the dynamic waveform, and a correction unit that corrects the dynamic waveform of the problem section when correction of the dynamic waveform is selected.本発明は、全身性成分を適切に抽出することによって、課題区間の目的成分を適切に抽出することができ、生体を透過した透過光を検出する生体光計測装置を提供するために、本発明の生体光計測装置は、生体を透過した透過光に基づいて、前記生体の動態に関する動態波形を計測する波形計測部と、被検者に所定の課題を与える課題区間の前記動態波形、前記課題区間の前段階である課題前区間の前記動態波形、前記課題区間の後段階である課題後区間の前記動態波形、及び所定の値のうち少なくとも1つに基づく第1の基準と前記課題区間の前記動態波形との差により、前記動態波形の補正又は非補正を選択する選択部と、前記動態波形の補正が選択された場合に前記課題区間の前記動態波形を補正する補正部とを備える。
