Chang Zhibin is an author about whom little public information is available. At present, only one work by this author is known, Mechanical Principles, which is classified under examination preparation. Judging from this work, the author's writing centers on mechanical principles, a foundational engineering course, and is aimed at the practical needs of exam preparation and course review. The content would accordingly focus on basic concepts, mechanism analysis, kinematics and dynamics, helping students organize the knowledge framework and practice exercises. Examination-oriented guides of this kind usually emphasize clear organization, highlighted key points and easy reference, with less theoretical elaboration and more attention to practicality. Because the author's nationality, dates of birth and death, education and positions are not recorded, no further inferences about his life or academic background should be made. With only one known work, it is difficult to summarize a consistent style or overall influence; only a cautious description of the writing direction in textbook support can be offered.