A biological information measuring unit that always measures biological information is provided. Sensor elements 107 and 109 that detect biological information, a measurement device 101 that measures biological information detected by the sensor element and wirelessly transmits the information to an external device, and temperature difference power generation that generates power at the body temperature of the biological body A plurality of environmental power generation elements including at least an element and a solar power generation element that generates power with sunlight; and a power management unit that accumulates the power generated by the temperature difference power generation element and the solar power generation element and supplies the power to the measuring device 101. A biological information measurement unit including a power supply unit 103, sensor elements 107 and 109, a measurement device 101, and a holding member 105 that holds the power supply unit 103 is provided. [Selection] Figure 1【課題】常に生体情報を計測する生体情報計測ユニットを提供する。【解決手段】生体の情報を検知するセンサ素子107、109と、センサ素子で検知した生体の情報を計測し、外部の機器に無線送信する計測装置101と、生体の体温で発電する温度差発電素子及び太陽光で発電する太陽発電素子を少なくとも含む複数の環境発電素子と、温度差発電素子及び太陽発電素子で発電した電力を蓄積し、計測装置101に供給する電源管理部と、を備えた電源部103と、センサ素子107、109と、計測装置101と、電源部103とを保持する保持部材105と、を備えた生体情報計測ユニットを提供する。【選択図】図1