PROBLEM TO BE SOLVED: To provide a biological information measurement module which is small-sized and has excellent portability and a biological information measurement device while maintaining the correctness of measurement.SOLUTION: The biological information measurement device is provided with a sensor part 40 as a biological information measurement module, including a light emission part 150 for emitting light to an object, and a light reception part 140 for receiving light from the object. The circumferential length in an outer circumference of the light emission part 150 is 1.9 mm or more and 9.5 mm or less.SELECTED DRAWING: Figure 5【課題】測定の正確さを維持しつつ、小形で携帯性の良好な生体情報測定モジュールおよび生体情報測定機器を提供する。【解決手段】対象物に対して光を射出する発光部１５０と、対象物からの光を受光する受光部１４０と、を含み、発光部１５０の外周における周回長さは、１．９ｍｍ以上９．５ｍｍ以下である生体情報測定モジュールとしてのセンサー部４０を備えた生体情報測定機器。【選択図】図５
