本研究目的為探討18至25歲之年輕人於社群網絡平台(Instagram及Dcard)經營穿搭分享之自我展現經歷，對其自我認同與服飾外觀管理之影響。分別以三個問題進行研究與討論：(1)在線上呈現自己的穿搭照片對年輕人而言有何意義；(2)在線上以穿搭照片之自我展現對年輕人之自我認同有何影響；(3)線上之穿搭展現與線下之服飾外觀管理有何關聯。本研究採深度訪談法並以紮根理論分析研究資料。
研究結果發現，(一)社群網絡平台對於年輕人而言，為另一個社會互動空間，此空間不僅能獲得大量的服飾穿搭訊息，獲取穿搭靈感，更能讓年輕人在其中有機會結交穿搭同好，與穿搭同好進行服飾外觀相關話題的互動，現今年輕人相較於過去有了更豐富學習穿搭的媒介與資源。(二)高程度之服飾興趣是年輕人開啟線上穿搭分享的必要條件，而分享後之線上社會互動結果，對參與者之自我認知與感受有加分的效果，使他們願意持續經營線上個人穿搭照；(三)參與者在線上之穿搭分享可以脫離線下之規範與社會情境，再加上線上的自我展現相較於線下，能有更多時間精心準備，甚至能即時的編修或刪除，此高度的自我掌控感，讓參與者能有更大程度的自由試驗如何展現自己，甚至線上公開展現穿搭的成功經驗，使參與者有自信將此一外觀管理策略延續到線下中；(四)參與者之穿搭分享有其目的，為達成自身分享穿搭之目標，年輕人需思考如何鋪陳穿搭照中各符號所組成之整體語彙、尋找合適分享穿搭照之舞台，他們在線上分享之自我展現經歷中，透過頻繁的回顧線上過去自我展現，以及社群網絡平台中之互動狀態，釐清適合自己的服飾風格，同時也在此過程中，逐漸達到自我認同之統合，簡言之線上穿搭展現與線下服飾外觀管理交織而成的經歷，影響著年輕人進行自我認同與服飾風格探索的生命歷程。

The purpose of this study is to explore the self-presentation experience of young people of aged 18 to 25 on social network sites(Instagram and Dcard)through outfit sharing, and its impact on their self-identity and appearance management. Three questions were used to conduct research and discussion: (1)What is the significance of presenting one's own outfit photos online to young people; (2)What is the self-presentation of one's own outfit photos online to impact young people's self-identity (3)What is the relationship between online outfit display and offline appearance management. This study adopted an in-depth interview method and grounded theory analysis of research data.
The research results show that (1)Social network sites serve as another social interaction space for young people. This space not only allows them to access a large amount of appearance information and inspiration but also provides opportunities for young people to make friends with fashion enthusiasts, and engage in discussions on topics related to appearance. Today's young people have more abundant media and resources to learn about fashion styles compared to the past. (2)High levels of interest in dress are essential for young people in initiating online fashion sharing. The resulting online social interactions from these shares have a positive impact on participants' self-perception and emotions, encouraging them to sustain their engagement in posting personal fashion photos online. (3)Compared to offline contexts, online self-presentation allows for more time for careful preparation and even photos editing or deletion. This heightened sense of self-control enables participants to experiment more freely with self-expression. Successful experiences in publicly self-presentation online also contribute to participants' confidence in extending these appearance management strategies to offline settings. (4)To achieve their goals, young people must strategize how to present their outfits, considering the symbols in the photos, finding appropriate platforms to share outfit photos, reflecting on their online self-presentation experiences, reviewing past self-presentations online, and engaging in interactive activities on social network sites. Through these processes, they clarify their prefered style and gradually integrate their self-identity. In essence, the intertwined experiences of online outfit display and offline appearance management influence young people's self-identity and their journey of exploring style throughout life.

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