A biological information measurement support device comprising: a notification processing unit configured to execute processing of acquiring measurement efficiency information and notifying the measurement efficiency information, a measurement efficiency information generation unit configured to generate the measurement efficiency information based on biological information calculation result information and pulse wave detection result information which are stored in a storage medium, and a biological information calculation unit configured to calculate biological information based on a pulse wave detected from a living body, wherein the biological information calculation result information is indicative of a calculation result of the biological information made by the biological information calculation unit, wherein the biological information calculation result information includes at least the biological information calculated based on the pulse wave, the pulse wave detection result information is indicative of a result of pulse wave detection processing executed to calculate the biological information to be included in the biological information calculation result information, the measurement efficiency information is indicative of a measurement efficiency of the biological information to be included in the biological information calculation result information, characterized in that the measurement efficiency of the biological information is an index indicating how the biological information having a reliability equal to or higher than a threshold value could be stored in the store medium without waste for a time period after a measurement start instruction of the biological information is issued to start a measurement operation until a determination condition is satisfied. a notification processing unit configured to execute processing of acquiring measurement efficiency information and notifying the measurement efficiency information, a measurement efficiency information generation unit configured to generate the measurement efficiency information based on biological information calculation result information and pulse wave detection result information which are stored in a storage medium, and a biological information calculation unit configured to calculate biological information based on a pulse wave detected from a living body, wherein the biological information calculation result information is indicative of a calculation result of the biological information made by the biological information calculation unit, wherein the biological information calculation result information includes at least the biological information calculated based on the pulse wave, the pulse wave detection result information is indicative of a result of pulse wave detection processing executed to calculate the biological information to be included in the biological information calculation result information, the measurement efficiency information is indicative of a measurement efficiency of the biological information to be included in the biological information calculation result information, characterized in that the measurement efficiency of the biological information is an index indicating how the biological information having a reliability equal to or higher than a threshold value could be stored in the store medium without waste for a time period after a measurement start instruction of the biological information is issued to start a measurement operation until a determination condition is satisfied.