本文將展示解決優質生活闕如的難題，與尋求環境之美，一個強有力的解決進路，這就是訴求個體自由的經濟學取徑；諸如空氣、水污染造成環境幸福或美的淪喪，繼而以社區公園甚至於設置國家公園保護／保育／保全自然生態。藉由國家公園的成本效益評估方案，突顯這種經濟學進路可能視尊重生命與人道關懷的「道德要求」不切實際。

本文先以經濟學進路說明追求個體自由以塑造優質生活的問題，其次嘗試以個體自由進路解決整體社會邁向優質生活的難題，從保護個體權利出發，法律雖能推動平等的政策，但是容易干擾個體追求自身價值，最後則是說明國家公園的成本效益評估方案作為本文解題的例示。

This article is going resolve the difficult problem that the scarcity of well-being, with seek the beauty of environment, a powerful settlement enters the way, this is to demand individual freedom economics path. Such as the air, water pollution cause the well-being or beautiful decay, then even set up the national park protect the natural ecology. Assess scheme by Cost Benefit Analysis of national park, conspicuous kinds of economics approach might lookat respect living and humanity show loving care for 'morals appeal' unrealistic.

First of all is explaining that pursuing individual freedom to model well-being by economics. Secondly would attempt to solve the issue how to achieve well-being of whole entity by individual freedom. Set out from protecting the right of human. Although we can promote equal policy by law, but that will interfere human to pursue value oneself. Finally, prove that assesses the scheme as the illustrate that solves a problem of this text in Cost Benefit Analysis of the national park.