本文目的在於藉由認識園藝治療的理論基礎（生態心理學）和操作步驟，理解園藝活動如何經由植物的媒介，對失智症長者產生生理、心理治療的交互影響與作用，進而改善生活品質，增進福祉效益。透過介紹園藝治療的中外演進，了解園藝治療在台灣的現況、發展，以及園藝治療師的認證。藉由相關案例研究之探討，說明應用與治療效益及累積的醫療實證。本文結論在於期許園藝治療師與各領域專業工作者發揮創意，結合自身優勢，累積實務經驗，以更寬廣的視野，在生活各層面與平台推動此綠色照護（Green Care），持續透過植物與自然的力量來幫助更多人尋回健康。
This study aims to understand the theoretical basis (ecopsychology) and operational steps of horticultural therapy and to understand how horticultural activities can exert physiological and psychological effects on elderly persons with dementia. The accumulated actual benefits of horticultural therapy are widely respected by the medical system. Furthermore, through the introduction of horticultural therapy in Taiwan and abroad, readers will better understand the status and development of horticultural therapy in Taiwan and the certification of horticultural therapists. By reviewing the literature and related case studies, the application and treatment benefits of horticultural therapy are discussed. With a broader perspective, the conclusion of this paper is that horticultural therapists and professionals in various other fields should be more creative, combine their own advantages, accumulate practical experiences, and promote this ＂green care＂ at all levels and platforms and continue to help people find health with the power of plants and nature.
