本文旨在探究原住民族自治的法正當性建構。首先強調原住民族自治之法主體性確立，繼而提出以「核心權利」、「半核心權利」、「個人基本權」為自治立法基礎的論證架構。本文認為原住民族自治不論是立法策略或自治政府型態，都基於憲法承認與保障的基本權力與架構，務實與彈性的規劃原住民族自治的立法模式與政府治理型態，依據個別民族生存與發展環境的需要，賦予自治的協定空間。

This article aims to explore the construction of law’s legitimacy for indigenous autonomy. The author emphasizes on the legal subjectivity of indigenous autonomy, and proposes the framework with “core rights”, “semi-core rights,” “basic personal rights.” This paper argues that legislative strategy or patterns of self-government, indigenous autonomous must be based on the power structure of Constitution, and giving autonomy agreements space for the needs of each indigenous people.