In today's digital age, businesses are constantly seeking innovative ways to improve their customer relationship management (CRM) strategies. One such innovation is the use of big data to build a CRM platform, which has proven to be a game-changer in the overseas store markets. This technological advancement has not only revolutionized the way businesses interact with their customers but has also significantly contributed to the digital transformation of CRM practices. The use of big data in building a CRM platform has enabled businesses to gather, analyze, and utilize vast amounts of customer data to enhance their understanding of consumer behavior and preferences. This, in turn, has allowed businesses to tailor their marketing strategies and customer interactions to better meet the needs and expectations of their target audience. By leveraging big data, businesses can gain valuable insights into customer trends, purchasing patterns, and feedback, which can be used to personalize the customer experience and drive customer loyalty. Furthermore, the technological innovation of using big data in CRM has facilitated the seamless integration of various customer touchpoints, such as social media, email, and in-store interactions, into a centralized platform. This has enabled businesses to create a unified and holistic view of their customers, allowing for more personalized and targeted communication and engagement. Additionally, the use of big data has empowered businesses to predict customer behavior and anticipate their needs, enabling proactive and preemptive customer service and support. The practice of CRM digital transformation in overseas store markets has been greatly influenced by the use of big data in building CRM platforms. Businesses operating in overseas markets have been able to leverage big data to gain a deeper understanding of local consumer preferences and cultural nuances, allowing for the customization of their CRM strategies to better resonate with the target audience. This has resulted in improved customer satisfaction, increased brand loyalty, and ultimately, higher sales and revenue. In conclusion, the use of big data to build a CRM platform has brought about significant technological innovation and practice of CRM digital transformation in overseas store markets. By harnessing the power of big data, businesses have been able to gain valuable insights into customer behavior, personalize their marketing strategies, and create a unified view of their customers. This has not only improved customer satisfaction and loyalty but has also driven business growth and success in overseas markets. As technology continues to advance, the use of big data in CRM will undoubtedly play a crucial role in shaping the future of customer relationship management.