論及馬甲的發展，其起源可追溯到西元三世紀的愛琴海文明與古羅馬時期。馬甲存在的意義是為了凸顯女性體態之美。但在文藝復興時期卻發生了變化，由凸顯支撐女性體態之本意，轉變為過度的表現，最後反而造成骨折、缺氧、脊椎變形等傷害。現今的社會裡，馬甲演變成為女性所謂的內衣，其功能為遮蔽以及保護乳房，也是現今女性的一大特徵。本研究以探討西方與東方在馬甲文化上的發展，並分析其外型設計與用途發展與時代景況。本研究以分析西方馬甲文化在中國內衣上的發展與應用表現。

On the development of the vest, its origins can be traced back to the 3rd century AD Aegean civilization and the ancient Roman period. The meaning of the existence of vest, the beginning is to show the beauty of the female body, and in the Renaissance period, we can see the changes in its meaning, originally in order to support the female body, need to use such hard objects to support the body, but eventually cause fractures, Hypoxia, spine deformation and other injuries. In today's society, the vest has evolved into what we call the "underwear", a feature that shields and protects the breasts and is also a feature of today's women. Analyze the development of the West and China on vestments and understand the development background and current situation.