Buyer-based clothing brand is a new type of brand operating mode. Fashion buyers as the core of the new mode influence the circulation of products. This paper aims to find the role of fashion buyers in helping the brand development for the enterprise. This paper reveals the evolution rules of clothing fashion buyers and discusses its basis characteristics, compares the development of fashion buyers at home and abroad. It suggests the basic knowledge for fashion buyers and ways to improve their comprehensive abilities. Finally it puts forward measures to promote the sound development of brands by making the buyers system perfect.