Since 2016, China has signed e-commerce cooperation memorandums with many countries and established bilateral e-commerce cooperation mechanisms. The Silk Road e-commerce has become a new channel and bright spot for economic and trade cooperation, bringing new opportunities for the development of cross-border e-commerce in countries along the route.Under the influence of COVID-19, consumers' shopping patterns and needs have been changed, which has promoted the development of cross-border e-commerce, especially in the Southeast Asian market, cross-border e-commerce has achieved remarkable results. However, many cross-border e-commerce companies do not realize the role of law in cross-border trade, ignoring the legal risks in consumer rights protection, cross-border logistics, cross-border payment, taxation, etc.