The focus of research on private supplementary tutoring in China in the past two decades

In recent years, private supplementary tutoring has developed rapidly, and its market size has expanded rapidly, which has attracted widespread attention from researchers in the fields of politics, economy, and education at home and abroad. This study uses the knowledge graph system provided by CiteSpace software to sort out 149 related literature on private supplementary tutoring research in China from 2000 to 2021 included in the Web of Science. The study found that "private tutoring theory", "private tutoring and educational equity", "private tutoring institutions", "private tutoring policy", "private tutoring and family capital", and "private tutoring and public education" is a research hotspot in this field in China in the past two decades. Private supplementary tutoring research in China started late, and the research paradigm is different from that of international research, and the research methods used are relatively simple. On the theoretical basis, the theoretical research on private supplementary tutoring is relatively weak and has not yet formed a complete system.