Yang Yiwei is a Chinese popular-science author about whom public information is currently limited; no confirmed details are available regarding his birth and death dates, educational background, or professional experience. Judging from the holdings in our database, his work centers on science popularization. His representative book, Antimatter, explores a frontier concept in modern physics and falls within the category of popular science writing. Such subjects generally require an author to balance specialized knowledge in particle physics and cosmology with the reading habits of a general audience, translating abstract ideas into accessible narrative. Based on the available information, Yang Yiwei's approach tends to take a specific scientific topic as a point of entry, introducing basic physics to ordinary readers and helping them understand what antimatter is, how it is studied, and why it matters scientifically. Because verifiable material is scarce, his full body of work and writing style cannot yet be comprehensively assessed, and only a preliminary judgment can be made on the basis of this single title.