Abstract: The development of cross-border e-commerce has gradually matured, and what is the input efficiency of its production factors? On the basis of the research hypothesis, the evaluation index system and the multiple linear regression model are constructed, and the empirical analysis is carried out Empirical analysis shows that the number of e-commerce enterprises and express revenue is significantly positively correlated with cross-border e-commerce, while labor input is significantly negatively correlated The asset investment, Internet penetration and the number of Internet users are not significantly correlated with cross-border e-commerce It can be seen that in the current cross-border e-commerce activities, there is a “crowded” state of production factors, and the excessive input of production factors makes the production efficiency not reach the best state, especially shown in the elements of capital input and labor input The number of enterprises is positively correlated with the growth of the cross-border e-commerce industry, while the basic elements of the Internet have little to do with the growth of the industry Therefore, we should cultivate high-quality cross-border e-commerce professionals, optimize the capital structure, improve the growth environment of the enterprises, and promote the development of the cross-border e-commerce industry

Key words:  cross-border e-commerce, production factors, regression model