This invention discloses a digital and intelligent
instructional design system and method, relating to the field of
online teaching technology. It includes a user center module, a lesson management module, a resource
library module, and a teaching center module. The user center module, lesson management module, resource
library module, and teaching center module designed in this invention are interconnected and functionally complementary, forming a closed-loop teaching
system. Simultaneously, it provides standardized and refined guidance for all aspects of lesson design, covering key content such as student learning analysis, blackboard design, and script writing. This transforms
instructional design from fragmented operations into a holistic process planning, solving the problem of traditional platforms only presenting design results without systematic design guidance. Furthermore, a resource recommendation index calculation model is designed, combining keyword matching degree with interactive data such as views, likes, and collections for weighted calculation. A quantitative threshold is set to intelligently determine high-quality resources, allowing search results to be presented in order of quality.