Yan Jin is an author about whom little public information is currently available. He has one published or compiled work, Organizational Behavior. Judging from the title and its classification, the book is an exam-oriented text that covers the basic knowledge and examination points of organizational behavior, serving readers who are preparing for tests or studying the subject in a course. Since no clear records of his birth and death dates, nationality, education, or professional positions have been found, his personal history and academic background cannot be described in detail, and no speculation is made here. On the basis of the available material, Yan Jin's work consists mainly of organizing the theoretical content of organizational behavior into a knowledge system that is convenient for study and examination preparation; the writing is expected to be clearly structured and focused on key points, suitable for candidates who need to master the framework of the subject systematically. Given the small number of works, his writing style and overall influence are difficult to assess fully, but Organizational Behavior, as his representative achievement, offers a useful reader for understanding the examination requirements of the subject.