The purpose of this research is to clarify effectiveness to acquire well-regulated life habit including exercise, by portfolio (by daily checking one’ s own exercise hours, sleep, dietary life and health status, and evaluating objectively). Moreover, it is to examine change of each behavior change stage and relation with portfolio, based on TTM. The main results are as follows, 1) It is recognized that after entering college, living conditions worsen like “insufficient exercise” , “sleep shortage” , “irregular life” , “meal regularity” and “nutrient balance” . 2) It is acknowledged that filling out portfolio lead to favorable alteration in “meal regularity” and “nutrient balance” , “sleep sufficiency” and “exercise contentment” . 3) Results of investigation of behavior change stage in health maintenance activities consist of “Pre-contemplation stage” 29 people (11.6%) , “Contemplation stage” 58 people (23.3%) , “Preparation stage” 129 people (52.0%), “Action stage” 28 people (11.3%) and “Maintenance stage” 4 people (1.6%) . 4) It is admitted that filling out portfolio shows desirable modification in stages of “contemplation stage” and “Preparation stage” . 5) From the above, it is suggested that sufficient awareness of the issues and goal setting for the future must be cleared up when expecting behavior change by filling out portfolio.
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