Public information about Ren Lixia is currently limited, and her nationality, dates of birth and death, and detailed biography cannot yet be confirmed. According to the library's holdings, the work under her name is The Birth of Citizens, catalogued under social sciences, which is also the only representative work available at present. In terms of subject matter, the book revolves around the concept of the citizen and belongs to writing in the social sciences; it addresses topics related to civic identity and the cultivation of citizens for general readers, and has the character of popularizing knowledge and introducing issues. Because background information about the author is scarce, it is difficult to judge the full range of her writing style, but the classification of the work suggests that her writing tends toward rational exposition and conceptual clarification, with attention to turning public issues into content that can be understood and discussed. For readers interested in civic education and social issues, this work can serve as introductory reading material to help build a basic understanding of the relevant concepts.