As a relatively new concept in terms of theoretical research, special dart is the dart that not only fits the curves of human body, but also satisfies the demands of clothing design. By studying the inherent characters and designing methods of special dart as well as by summarizing innovative designing concepts and methods, this thesis attempts to serve as a beneficial complement to the modern design of fit women’s wear. It begins with an elaboration on the concept of special dart. Then, through a study of fit women’s wear and fabric, the author summarizes the relationship between special dart and fabric. Finally, the author comes to conclude several designing methods of special dart adopted in women’s wear.