中國紫光集團要求入股台灣重要產業命脈：半導體上游 IC 設計業，我國經濟部長答應任內開放投資，激起國內輿論正反聲浪的對抗。電資領域學者發起反對連署反對，兩岸官方、台灣產學界乃至政黨紛紛投書媒體，四大報成為雙方意識形態抗爭的重要戰場。

本文首先分析四大報相關新聞文本的時間數量趨勢、報社立場與消息來源，企圖掌握不同權力位置發聲者的認知建構；其次，藉由框架分析建立四種主要論述框架，探討正反雙方針對經濟面的新自由主義霸權，以及政治面的中國因素進行文化霸權的抗爭，如何透過構連、解構與重構的動態爭霸過程，爭取政策論述的詮釋主控權，逐步建立新的論述霸權地位；最後，分析政策論述能力與情境脈絡關係，探究特定論述能夠脫穎而出取得主導地位，並成功促成政策變遷的關鍵因素。

This study first analyzes the news reports of Tsinghua Unigroup’s Acquisition through content analysis, and finds out that informants in different “position” reflect different perspectives. Another focus of this paper is to construct four main cultural hegemonies of policy discourse by frame analysis. The result shows that policy change is due to the interactive effects of three forces: deconstruction, construction and strengthened original structure. Finally, the analysis of the “discourse ability” points out that competitive discourse are embedded in social structure with dominant position of discoursers in policy networks which successfully leads to policy change.