Abstract: The development of science and technology and the deepening of globalisation have opened up new directions for developing the agricultural industry. With the gradual expansion of the scope of Internet +, traditional trade has gradually evolved into e-commerce, and relatively simple domestic trade has gradually expanded into cross-border transactions. With the help of e-commerce platforms, sales channels can be expanded, and the share of agricultural exports can be increased. The development of cross-border e-commerce is highly valued and mutually supportive of the agricultural product supply chain (APSC), which promotes the international trade of agricultural products. Optimised APSC provide high-quality produce to meet consumer demand. Technological innovations such as big data and the Internet of Things (IoT) bring smart and efficient optimisation solutions to APSC, improving the efficiency of product distribution. This paper reviews the research on cross-border e-commerce and APSC by some scholars in recent years, summarises the current development of cross-border e-commerce, describes the problems of APSC, and proposes solutions. Reviewing and summarising the relevant research literature aims to help scholars understand the development of cross-border e-commerce and APSC more systematically and comprehensively, and to provide strong support for future research and practice.