As an ancient and young art, clothing is not only the carrier of human culture and history, but also the most direct, rich and vivid embodiment of the combination of human technology and art. Successful clothing design must have better colors to match and express, which is also the same idea of modern clothing designers. The innovation of clothing is generally accomplished through three aspects: style, color and fabric. In modern fashion design, black and white collocation is an eternal color collocation, which gives people a good feeling. In the long-term social practice, human beings have endowed emotions with black and white in the form of points, lines and surfaces, making them complex and diverse, leaving a deep mark on people's minds. Designers cater to the needs of the market and consumption, and boldly and diversely use black and white bipolar colors in clothing design. Through different splicing and mosaic. Different combinations of points, lines and surfaces will flexibly use black and white in fashion design.