This video provides a detailed analysis of the working principles, application scenarios, and pros and cons of three core IP rotation modes in proxy servers. It begins with fundamental concepts, explaining how proxies hide real IPs by forwarding requests. It then focuses on the technical characteristics of three modes: static proxy (IP remains unchanged, suitable for account management and regional access), rotating proxy (IP automatically changes with each request, suitable for data scraping and SEO monitoring), and sticky sessions (maintains the same IP for a set duration, balancing stability and anonymity). The video combines practical business needs to help users understand when to choose a static IP for consistent identity, when to use a rotating IP to avoid blocking risks, and when to enable sticky sessions to balance operational continuity. It also compares the functional differences of various proxy providers, showcasing flexible configuration options for IP rotation strategies across product lines such as residential proxies, mobile proxies, and data center proxies, providing a basis for technology selection in multi-account operation scenarios like cross-border e-commerce, web crawling, and advertising verification.