Shi Pusong is an author about whom little public information is currently available; his nationality, dates of birth and death, education, and professional career are not clearly documented. According to the holdings in the library, only one work by this author is included, titled Interrogating Those Who Cross the Line (Wen Xing Yue Jie Zhe), classified under law. The title, with its pairing of "interrogating punishment" and "those who cross the line," suggests that the book may address issues such as the boundaries of conduct and the determination of liability in criminal justice, and that it adopts an approach of explaining the law through cases or normative analysis. Given the scarcity of verifiable information, it is difficult to determine whether the book is a scholarly monograph, a practitioner's notes, or a legal work for general readers, and it would be inappropriate to speculate about whether the author has a legal professional background. For readers, this work is currently the main basis for understanding Shi Pusong's writing style and views; further information is needed before his later writings and social influence can be assessed.