A study guide system using a biological model was examined. Especially, fundamental data for building a system to monitor a learner?s condition were collected and considered. Within the monitoring system, the learning pattern is determined from the results of analysis of the learning log data, and the learner?s condition is estimated using a biological model. To determine the initial value of this biological model, predicted results and actual learning log data were compared. Here, we propose learning log data that can be used for this purpose.