PROBLEM TO BE SOLVED: To determine a state of a living body and secure proper quality of a biological signal.SOLUTION: A biological information measurement device 1b comprises: biological signal measurement means 10 for reading a voltage of a biological electrode attached to a living body, as a biological signal biological signal transmission means 11 for transmitting the biological signal to an external terminal 2b sensor data measurement means 14 for reading sensor data of a sensor for detecting a position or movement of the biological information measurement device 1b sensor data transmission means 15 for transmitting the sensor data to the external terminal 2b and determination means 16 for determining a state of a living body based on the sensor data, and starting up and stopping the biological signal measurement means 10.SELECTED DRAWING: Figure 1
