It was difficult for previous health management support systems to grasp daily health condition quantitatively through using comprehensive indexes of personal health conditions, optimize advice as healthcare guidance, and show its expected effect in a favorable way. The disclosed method and system implement the following: estimating a predicted period of healthy life expectancy of each person who underwent health screening from health screening report data obtained through the health screening report data entry step, wherein healthy life expectancy prediction data is used that is prepared as basic data for predicting healthy life expectancy from a diversity of health screening report data. The predicted period of healthy life expectancy and related information for each person are displayed by display means or printed out by printing means.