This study aims at making the relationship, between making our environment artificial and our health, clear. This study has 2 steps as follows. 1. Defining the 3 valuables, "Regional Naturalness Grade", "Mental Unhealthy Grade", and "Death Grade", and evaluating the 25 study areas from the view of them by using principal component analysis. 2. Making the relationship between "Regional Naturalness Grade" and "Mental Unhealthy Grade", and "Regional Naturalness Grade" and "Death Grade", clear by comparing the 3 valuables. As a result of this study, to make our environment artificial has great influence on our health.
