As the 2023 "Double 11" sales event concluded, major e-commerce platforms refrained from disclosing their total transaction volumes, reflecting a weakening purchasing power. At this juncture, applications such as AI-powered product photography, AI customer service, and AI marketing have emerged as new growth points for the e-commerce sector. The article explores multiple case studies highlighting the application of AI during the "Double 11" event, as well as innovations and developments in specific areas like AI product photography, AI customer service, and AI marketing. These examples illustrate how AI is redefining and reshaping the operational landscape of e-commerce.