Consumption society and consumerism constantly stimulate and create people's new desire to possess commodities. For the sake of more commercial interests and the satisfaction of stimulated demand, fast fashion emerged. Fast fashion, which was appeared in the fashion industry, has spread to the leather field.And it was once considered to be more traditional and high value,which meets some demands and also causes many problems. After reflection, slow design is playing more roles to the connotation and quality of design, especially the emotional communication between people and products. And it has gradually returned to leather design, and has been paid more and more attention by consumers and designers. The concept and model of slow design and fast fashion seem different completely, but in fact they can also be unified in some aspects. The development process from fast fashion to slow design is also the gradual maturation of people's consumption concept.