Yang Jian: publicly available information about his identity, background, and life remains limited. This entry offers only a brief account of his writing based on the work held in this database. The collection includes his work "A Single Seed," commonly classified as modern poetry, which indicates that Yang Jian enters readers' view primarily as a poet writing in the modern poetic mode rather than in prose, fiction, or other genres. On the available evidence, his creative focus lies in modern poetry, and with only one work in this database, it is not yet possible to present a full picture of his writing trajectory or stylistic development. Readers wishing to understand his poetic language, thematic orientation, and artistic characteristics may turn to the text of "A Single Seed" itself, discerning his writing temperament through its rhythm, imagery, and emotional expression. His nationality, dates of birth and death, educational background, and writing career lack reliable public sources and are therefore not speculated upon here, to be supplemented when more works and materials become available.