Wang Jinji's biographical information is currently unavailable, and public records are limited. What can be confirmed is that one work under this name, Preface to a Qin Score (Qinpu Xu), is extant and has been classified among classic works. Judging from the title, it appears to be a preface written for a qin score, belonging to the kind of prefatory writing that surrounds guqin literature and typically discusses the reasons for compiling a score, the transmission of qin scholarship, or insights into playing the instrument. Such prefaces are often brief yet combine bibliographical explanation with qin scholarship, making them valuable materials for understanding the circulation of old qin scores and the thought of qin players. Because the author's dates, native place, and identity are not clearly recorded, it is difficult to give a complete assessment of his life and overall body of work. On the basis of Preface to a Qin Score alone, he can be regarded as an author associated with guqin literature, to be consulted by readers of qin-score prefaces and postscripts.