Abstract: This paper researches Chinese beer brands.The bipartite network of Chinese beer markets and brands is built up.By means of K-core analysis,the competitive condition of Chinese beer markets and brands is identified.Based on the network constructed above,the constructing rules are chamged to work out the competition network of the brands.The result indicates that top brands lie in top cities.Competition between global and field brands is fierce while the competition between giant brands is much mild.This makes some influence for the beer industries to adjust the strategy and to make scientific decisions for future competition.