I. Introduction With the continuous development of globalization, the international business of e-commerce platforms is becoming more and more extensive. Today we will focus on the business of Shopee, a high-profile e-commerce platform, in Malaysia, especially its recently launched 5PK product line. This article will explore its price positioning in the Malaysia market and its current cross-border sales in Cambodia, and provide an in-depth analysis of its exchange rate considerations with USD as the trading currency. At the same time, we will also explore the position of the US dollar in the Kuala Lumpur market and how it competes. Second, Shopee Malaysia market overview In recent years, Shopee, as one of the leading e-commerce platforms in Southeast Asia, has performed particularly well in the Malaysia market. The products on its platform are rich in variety, covering hot-selling products in multiple fields, meeting the diverse needs of consumers. Among them, the high-profile electronic products, especially the 5PK series mobile phones and electronic products that are loved and favored by users for their technical performance and design innovation, have attracted much attention. Its high cost performance makes more and more users pay attention to the positioning of its products in the global market. In addition, changes in exchange rates also have an impact on commodity prices, so this article will also examine the impact of currency exchange rate changes on product prices. Special attention is paid to the movement of the US dollar exchange rate, because the US dollar, as one of the main trading currencies, has an extremely important position in global trade. It affects not only the price level of various countries and regions, but also the trade and investment situation of the entire region. Therefore, it is necessary to study its economic status and competition in the Kuala Lumpur area in this context. 3. Analysis of the current cross-border sales in Cambodia Shopee, as an e-commerce platform covering Southeast Asia, has begun to try to expand its market coverage to Cambodia for product sales and promotion, which also shows the rapid development of cross-border e-commerce in emerging markets. The uniqueness of the best-selling products gives buyers a special and innovative consumer experience, which is bound to increase their brand awareness and increase brand loyalty in the local market At the same time, we should also take into account the consumption level and purchasing power of the Cambodian market, in order to develop a more reasonable pricing strategy, in order to expand market share while ensuring the profit growth of products, in such an environment, cross-border e-commerce with the US dollar as the transaction currency, we need to pay more attention to the change of exchange rate, to reasonably determine the cost of products and market pricing, to achieve greater economic benefits and broad prospects for expanding the market, of course, the fluctuation of the exchange rate will also have an impact on the pricing of the product, thereby affecting the market competition, so the exchange rate factor must be taken into account when conducting market analysis, so as to obtain more accurate market positioning and predict the trend of the results, and then make the right decisions and adjust the strategyAdapt to the changes and development trends of market demand Four The status and competition of the US dollar in the Kuala Lumpur market analysis summary analysis in global trade, the US dollar as one of the main trading currencies in the Kuala Lumpur market has a position that cannot be ignored, especially in the field of cross-border e-commerce, due to its wide acceptance and stability, it has become the main currency of transactions between merchants and consumers, however, with the continuous change of the global trade pattern and the development of emerging markets, the US dollar status is facing competition and challenges, and the tendency to use the regional currency as the main trading currency is gradually increasing, and the challenges from regional competitors and other international platforms are also worthy of attention and thought, adhere to the basic rules of global trade in this diversified trade environment and competitionRational use of the international financial market, enhance the strength of the platform, innovate products and services, and adjust the strategy to adapt to the changes in market demand and development trends, in order to win the trust of the market and the favor of consumers, and finally also need to be reasonably positioned and promoted according to the economic situation and consumer needs in various regions, so as to more effectively grasp the market dynamics, continue to expand the market, and achieve the purpose of profit growthScientific and reasonable business decisions should be made in response to the market competition situation, and this article is summarized, hoping to have certain reference value for in-depth understanding of the development status of the cross-border e-commerce industry