As AI rapidly integrates into society, it is profoundly changing the ways of social production, living and organization, and how to enhance individual adaptability and creativity in the intelligent era has become a new proposition in the study of public literacy. The article interprets the background of the proposal of AI literacy from the perspective of conceptual evolution and technological development, pointing out that AI literacy is an inheritance and expansion of information literacy and digital literacy; on the basis of reviewing existing literature, it exploratorily proposes an interpretive definition of AI literacy, emphasizing that AI literacy is a diverse and multi-level concept, and how to collaborate and coexist with AI constitutes the differentiated connotation of AI literacy; referring to the KSAVE model, it identifies and constructs a general AI literacy framework composed of five elements: AI awareness, AI cognition, AI skills, AI thinking, and AI ethics, and systematically elaborates on the connotation, significance, and content architecture ideas of each element.