相關服務是美國特殊教育法中重要的權利，其目的係促進身心障礙學生自教育中獲益。本文藉由詮釋美國最高法院二則判決意旨中揭示相關服務與法律目的之關聯性，檢視我國特殊教育法中類似相關服務之條文、意義、目的與範圍。最後，嘗試提供相關服務目的、定義與範圍之建議，以促進我國身心障礙學生自特殊教育中獲益。

Related service is one of the essential promises that required by the related special educational acts in U.S.A. The purpose of the providing related service is to enhance the students with disabilities to benefit from public education. This paper tried to use two cases of U.S.A. Supreme Court justice about related services as the examples to review the "related service" mentioned in the Special Education Act in Taiwan, including definition, purposes, and items of related services. Then the authors provided some suggestions for the definitions, purpose, and items of related services for revising the Special Education Act in Taiwan.