The organized research and supervision of teaching in primary and secondary schools in China has accumulated experience of more than 60 years, and its forms and achievements have become a focus of the international mainstream education research community. However, we are still short of detailed research, especially on staff developers. This study focuses on the staff developers’ class clinical supervision, using the comprehensive research which is a combination of empirical study, meta-analysis, literature and action research; experience screening, video analysis, on-site interviews and evidence-based practice, as main ways to clarify the elements and methods of staff developers’ class clinical supervision, explore the knowledge and beliefs of staff developers, and have established a scientific operation model of clinical supervision in normal class.