In the era of the 21st-century knowledge economy, research universities serve as strategic pillars for fostering an innovative nation, leveraging their unique strengths to establish national scientific and technological forces that support high-level self-reliance in science and technology. Meanwhile, the professional development of lecturers constitutes a crucial component of research activities within these institutions. Nevertheless, inadequate research has been conducted in this domain, leading to a deficiency in societal impact. This study employs content analysis to explore the lecturers professional development in business school and to build a model of the lecturers professional development in the business school of research universities in the 21st century. According to the content analysis, the results indicate that lecturers effectively advance their professional development by fully exploiting the ample resources offered by business schools within research universities, integrating their attributes, international training programs, and scientific research for personal enrichment. The article suggests establishing a novel mechanism to foster the professional development of lecturers and facilitate the exchange and recruitment of talented individuals. Encourage professional development among lecturers and foster the dissemination of innovative resources, ultimately resulting in heightened production of high-quality research in academic institutions.