Human beings¡¦ attire evolves, starting from having the functions of providing comfort and keeping warm in the primary stage, and then it is for looking good and fashion; then, attire becomes the symbol of demonstrating personal taste, fashion and social identity; finally, it evolves into the tendency to demonstrate personal value¡X the value performance of health tendency, environmental protection appeal, and green consumption. As the era evolves, consumers¡¦ demand and preferences have different tendencies. Under the planning of market segmentation, aiming at the attire materials based on health appeal, we hope to understand further: in such an era with fast changes in upgraded techniques, consumers¡¦ preferences and prices, what factors make consumers choose and buy? Hence, when companies are making product and marketing plans further, they can make them exquisite and conform to trendy fashion. Therefore, this study has explored the key success factors aimed at developing attire of healthful materials. Through questionnaire surveys for experts and scholars on the study of the key success factors aimed at developing attire of healthful materials, this study had made two times of analyses of AHP verification and statistics, in order to verify and extend the gained results by AHP. The study results in the second time have been adopted, and the following viewpoints have been proposed at the same time: 1. As for the study on the key success factors for developing attire of healthful materials, through two times of AHP data analyses, this study is of the opinion that the key factors are the six items: ¡§physiological comfort¡¨, ¡§functionality capability¡¨, ¡§manufacturing quality and craft techniques¡¨, ¡§style and design, ergonomics¡¨, ¡§user experience¡¨ and ¡§price¡¨. 2. In the evaluation indicators chosen for the third-layer reference plan in the structure of this study, when the direction is based on developing attire of healthful materials, obviously silk material is superior to organic cotton, while organic cotton is superior to bamboo-carbon fiber. 3. Under different considerations, silk material possesses considerably large advantage in the four key factors: ¡§physiological comfort¡¨, ¡§manufacturing quality and craft techniques¡¨, ¡§user experience¡¨ , and ¡§declaring personality and personal value¡¨. Organic cotton also possesses considerable advantage in the factors of ¡§style and design, ergonomics¡¨, and ¡§brand¡¨. Bamboo-carbon material has advantage of product development in the three items: ¡§price¡¨, ¡§trendy fashion¡¨, and ¡§functionality capability¡¨.