A biological information analyzing device comprising: an indicator extraction unit that is configured to extract, from blood pressure waveform data measured continuously by a sensor that is wearable on a user's body and which is configured to non-invasively measure a blood pressure waveform for each of a plurality of heartbeats, an indicator expressing a load placed on the user's heart by an activity; and a processing unit that is configured to output the indicator extracted by the indicator extraction unit, wherein the indicator extraction unit is configured to find the indicator on the basis of a difference between a blood pressure waveform in a resting section corresponding to when the user is in a resting state and a blood pressure waveform in an active section corresponding to when the user is engaged in the activity, characterized in that the indicator extraction unit is configured to find, on the basis of the difference between the blood pressure waveform in the resting section and the blood pressure waveform in the active section, an effect appearance point that is a time at which an effect of the activity appears as a change in the blood pressure waveform, and is configured to find the indicator on the basis of an amount of time that has passed from the start of the activity to the effect appearance point, and in that the indicator extraction unit is configured to determine the active section and the resting section on the basis of data expressing an activity start time and data expressing an activity end time for the user or on the basis of measurement data from a second sensor that detects the user's activity. an indicator extraction unit that is configured to extract, from blood pressure waveform data measured continuously by a sensor that is wearable on a user's body and which is configured to non-invasively measure a blood pressure waveform for each of a plurality of heartbeats, an indicator expressing a load placed on the user's heart by an activity; and a processing unit that is configured to output the indicator extracted by the indicator extraction unit, wherein the indicator extraction unit is configured to find the indicator on the basis of a difference between a blood pressure waveform in a resting section corresponding to when the user is in a resting state and a blood pressure waveform in an active section corresponding to when the user is engaged in the activity, characterized in that the indicator extraction unit is configured to find, on the basis of the difference between the blood pressure waveform in the resting section and the blood pressure waveform in the active section, an effect appearance point that is a time at which an effect of the activity appears as a change in the blood pressure waveform, and is configured to find the indicator on the basis of an amount of time that has passed from the start of the activity to the effect appearance point, and in that the indicator extraction unit is configured to determine the active section and the resting section on the basis of data expressing an activity start time and data expressing an activity end time for the user or on the basis of measurement data from a second sensor that detects the user's activity.