Artificial Intelligence (AI) technology has deeply integrated into personal growth, social progress, and national development. As core hubs for cultural dissemination and science-technology education, public libraries play an indispensable role in AI literacy education by virtue of their openness, inclusivity, and professionalism. The paper taking 15 American public libraries with high visit volume and diverse service programs as samples, this paper conducts web-based research and content analysis on their AI literacy education services. Through analysis from three dimensions-form, content, and collaboration-it finds that they have established a broad-coverage, multi-form, and all-round education service mechanism, and achieved solid resource guarantees through a multi-stakeholder collaborative network. Based on this and combined with the current status of AI literacy education services in China’s public libraies, the paper proposes four development strategies: accelerating digital-intelligent upgrading, meeting personalized needs, optimizing service plans, and integrating social resources.