Xinyou is an author about whom limited public information is currently available; the library holds only one work by this author, Rongzhuang (Makeup). According to the existing classification, this work is placed among classic works, but no reliable records have been found regarding Xinyou's nationality, dates of birth and death, educational background, or writing career, making it difficult to offer further details about the author's life. Based on what is known, readers can grasp the direct connection between the author and Rongzhuang: this book is the main entry point for understanding Xinyou's writing. Its placement in the classic works category indicates that it is treated on the site as a text with a certain reading value, while the specific features of its subject matter and style still need to be judged from the text itself. Given the insufficient material, it would be inappropriate to make excessive inferences about the author's writing style and influence, let alone fabricate experiences and achievements. Readers are advised to use Rongzhuang as a clue, appreciate the author's narrative orientation and textual characteristics through reading, and watch for public information that may emerge later.