本文主要以視覺傳達記號概念，分析門神所呈現臺灣本土藝術風貌。門神的圖像內容傳達出廟宇建築空間所蘊含寓意和抽象概念，存在著與生活環境和中國傳統吉祥圖案的相關訊息，內容涉及容貌、冠戴、服裝、鞋子、配飾、手持物等，展現出臺灣民俗信仰豐富多采的視覺傳達特性。門神彩繪不僅止於裝飾效果，也是對外溝通的門面語言，清楚記錄投射出常民內心的祈求與社會價值觀。因此，藉由圖像內容分析，了解自己民族文化特徵和表達規則特性，然圖像有其相關脈絡可尋象徵意義與故事性。故本研究以西方記號學的角度詮釋門神圖像，所欲達成之成果為： 1.運用視覺圖像記號學角度，解讀各類門神圖像結構與記號轉換的運作表現方式。 2.藉由門神視覺記號，思維圖像內容，分析各類門神隱含的社會價值及文化意義。 3.藉此發展出臺灣傳統意象的思考內容，擴增視覺傳達設計的風格。

In this study, Door Gods will be interpreted by the concept of visual communication, and its structure will be analyzed in a systemed way as follows. The study shows that Door Gods in an important element of temple's decoration. Its image contains various visual communicational characters of Taiwanese folk belief. The Door gods painting is not only for decorating, but for communicating. It reflects the commons' wish and social ethic. Through analyzing the images, we can find the cultural and communicational characters of our people. In the method of Semiology, this study tries to interpret the images of Door Gods. The Purposes are: (1) Decoding the structures of Door Gods' images and the transformation of its sign in a visual semiotic way. (2) Analyzing the social value and inside cultural meaning of Door Gods by visual semiology. (3) completing the context of Taiwanese traditional images and furthermore, making advance in the style of visual communication design.