Abstract: In recent years, ancient texts visualization has become an important way for humanities scholars to read ancient texts in digital humanities research. Ancient texts visualization has brought a new way of presenting the information of ancient books, enriched the reading experience of humanities scholars, and also resulted in new methods of text observation and analysis. Based on the concept of intensive reading and extensive reading of ancient texts, this paper analyzes the theoretical basis of ancient texts visualization, summarizes the types and processes of ancient texts visualization, analyzes the processing methods and visualization technologies in the visualization of ancient books. This paper also analyzes the challenges encountered in the process of ancient texts visualization from two aspects of text information processing and text visualization methods. This study is helpful to better understand the theoretical basis of ancient texts visualization, and further clarify the common processing methods and technologies of ancient texts visualization