Purpose- This paper aims to examines the various factors Influencing Sales of Infant Formula Milk in China under the Covid-19 Pandemic, and base on this analysis, to present some measures for the sellers and consumers. Design/methodology- The 846 number of comments for 84 bands form e-commerce platform was taken as the index reflecting consumers’ purchasing behavior, and the properties of various types of infant formula milk (commodity name, gross weight and milk source) were taken as the independent variables to analyze the influencing factors of purchasing behavior of infant formula milk by multiple regression method. Findings- The important factors influencing the purchase behavior of infant formula milk are that product name, source of milk, domestic or imported products, applicable age, and packing unit. And then Consumers tend to buy 200-500yuan barrels of imported infant formula milk. Originality/value – The originality of this study can be found in its context, that is, under the Covid-19 Pandemic. At present, China has achieved the best epidemic control effects, which creates a great opportunity for Chinese brand infant formula milk to go abroad and realize internationalization in the future.