族群廣播媒體的內容，從早期由國民政府主導，以播報農村及政令消息為主，直到2017年8月Alian96.3原住民族廣播電臺開臺，打開族群自主經營媒體之序幕，以族群為主體的角度製播內容，呈現族群文化多樣化。
本篇論文自原住民性概念衍伸，將原廣比喻為有形的土地，作為一可讓族群媒體工作者匯聚、深耕與發聲的場域，他們透過語言與聲音作為文化載體，製作成帶有其群體及個人主體意識的節目訊息，透過廣播媒介，來往穿梭於各部落、各族群間，這一來一往、一接一收，展開一系列文化傳播的旅程。
原廣的出現，不論是法律規範或作為族群集體意識之寄託，存在提供具公共服務內容之理想，本論文將透過原廣特定的兩個節目文本分析，以及與主持人、經營管理者之訪談，參照法令政策，爬梳原住民廣播媒體所呈現的原住民性、主體性，以及公共服務實踐之現況。

The Government of Republic China in the early days used the broadcasts to promote the policies and dominated the ethic program production. In August 2017, the FM96.3 Alian Radio, owned by the Indigenous Peoples Cultural Foundation, has launched. It takes the indigenous as subject status to produce the program, and shows the diversity of ethnic culture in Taiwan.
This essay derives the concept from indigeneity, compares the ethnic media FM96.3 Alian Radio to a tangible land, as a field where workers gather up and use language and sound as cultural carriers, to produce the program to transmit information of its group and subjective consciousness. Messages shuttle between tribes and different ethnic groups thus embarks on a journey of cultural dissemination.
The emergence of FM96.3 Alian Radio, whether it is a legal norm or as a sustenance of indigenous consciousness, has the ideal of providing public service content. This thesis chooses two specific program from FM96.3 Alian Radio to do the textual analysis, as well as interviews with the hosts and the managers, at last analyses the related policies to sort out the indigeneity, subjectivity, and the public service practices presented by the ethic media in Taiwan today.