The document is a detailed account of the professional journey of Jin Zhu, a staff teacher at the Open University of China, focusing on the development and significance of 'micro lessons' in education since their introduction in 2011. It explores the role of OUC staff teachers in creating these micro lessons, the challenges they face, and the impact of institutional support on their implementation. The findings indicate a need for clearer guidance and a better understanding of open educational resources among staff teachers.