With the development of e-commerce, shopping websites are especially important. Comprehensive technical efficiency, pure technical efficiency and scale efficiency are the most important indexes of website efficiency.Data Envelopment Analysis（DEA）model is used to analyze the efficiency of 12 shopping websites.The results show that the input and output of 6 shopping websites reach the best matching state. The redundancy rate of investment in 3 shopping websites is too high, resulting in inefficiency. It is necessary to improve internal management and technical investment, etc. Although other websites are technically efficient, the economies of scale need to be improved.