The development of artificial intelligence (AI) brings brand-new opportunities for teaching reform, but also hides many dangers. In reality, on the one hand, people want to realize the deep integration of AI and teaching, but on the other hand, the real classroom teaching has a lukewarm response to AI. In order to promote the correct application of AI, educators must make clear the limits of AI application in teaching, and its vulnerabilities in the face of mental understanding, artistic creation, data analysis, its inability in the face of principle-based knowledge, procedural methods and val...