With the rapid development of e-commerce, more and more consumers are beginning to pay attention to cross-border shopping. Especially in Southeast Asia, major e-commerce platforms have sprung up, providing consumers with a wealth of shopping options. This article will focus on Malaysia and Cambodia, explore the price difference of the popular brand 5PK on the Shopee platform and the impact of today's US dollar exchange rate on shopping. 1. Background Shopee is one of the most popular e-commerce platforms in Southeast Asia and South Asia, covering consumers in many countries and regions. The brand 5PK is loved by many consumers because of its unique design and excellent quality. Malaysia and Cambodia are important countries in Southeast Asia, and their shopping choices are naturally influenced by geographical factors. Therefore, it is especially important to understand the difference in the price of goods between the two places for cross-border shopping. Second, the comparison of the shopping environment between Malaysia and Cambodia As one of the more developed countries, Malaysia's e-commerce market is relatively mature. Although Cambodia has a strong momentum of e-commerce development in recent years, due to differences in economy and logistics, there is still a certain gap between commodity prices and shopping environment and Malaysia. This has led to more and more Malaysian consumers choosing to buy goods on platforms such as Shopee and making them the preferred platform for cross-border shopping. 3. Price analysis of 5PK in Shopee Malaysia On the Shopee Malaysia platform, the product line of the brand 5PK is quite rich to meet the needs of different consumers. With the continuous development of the platform and the improvement of the logistics system, more and more merchants choose to sell goods on Shopee. This makes the price competition of goods increasingly fierce, and consumers can enjoy more discounts and discounts. However, due to factors such as geographical differences and logistics costs, the price of the same goods in Cambodia may vary. Fourth, the impact of today's US dollar exchange rate on commodity prices The fluctuation of the US dollar exchange rate has a direct impact on the cost of cross-border shopping. When the dollar exchange rate rises, so does the cost of buying imported goods; Otherwise, it will be reduced. Therefore, knowing the dollar exchange rate of the day is essential for cross-border shopping. Especially in countries like Cambodia, where the impact of exchange rate fluctuations on commodity prices is more pronounced due to the relative fragility of the economic system. This also means that consumers need to pay more attention to changes in exchange rates when shopping across borders for a more economical shopping experience. V. Conclusions To sum up, understanding the price of 5PK in Shopee Malaysia and the Cambodian dollar exchange rate today is crucial for consumers shopping cross-border. Consumers should not only pay attention to the price of the product itself, but also pay attention to the cost changes caused by factors such as exchange rate fluctuations. At the same time, with the continuous development of the e-commerce market in Southeast Asia, more and more consumers will enjoy a more convenient and economical cross-border shopping experience.