Abstract: Pharmaceutical Analysis is a critical course for pharmacy majors,and experimental teaching,as an integral component of the course,plays a key role in guiding students to master modern pharmaceutical analysis techniques,thoroughly comprehend the fundamental principles involved,and cultivate highly competent pharmaceutical professionals.The "big concept" approach to teaching has emerged as a pedagogical strategy for facilitating conceptual understanding and serves as a valuable reference for competency-based education.The hierarchical knowledge structure of big concepts can help students optimize their knowledge framework,thereby enhancing their core competencies in the course.Micro-project learning,as an innovative learning model,is particularly well-suited to complex experimental teaching.This study,using the "Quality Inspection of Aspirin Tablets" in Pharmaceutical Analysis as an example,constructs a micro-project-based teaching approach grounded in big concepts,aiming to provide new insights and references for experimental teaching reform.