Different fresh-keeping efficiency of fresh e-commerce platform leads to differences in freshness and price of products on the platform, which affects consumers' purchase decisions. At present, the market competition of fresh e-commerce is fierce and the operation is chaotic. In order to scientifically guide the healthy development and operation of fresh e-commerce platform, we constructs the competition model of duopoly fresh e-commerce platform based on Hotelling, study the product freshness competition and price game of two fresh e-commerce platforms under the influence of fresh efficiency, and discuss the impact of consumer characteristics and fresh-keeping efficiency on the competitive game of two fresh e-commerce platforms. The results show that the fresh e-commerce platform with high fresh-keeping efficiency has low unit fresh-keeping cost, and the strategy of providing high-freshness and high-price products is effective, and vice versa. In particular, for fresh products, no matter what the characteristics of consumers, low-price strategy can not effectively seize market share, fresh e-commerce platform should improve its own fresh-keeping efficiency and reduce fresh-keeping costs. At this time, the platform can effectively profit from the high-tech freshness and high-price product strategy.