徐凝,唐代知名诗人,张为《诗人主客图》列其为白派之及门弟子。其诗风既清迥俊拔、质朴高古,又自然流丽、含蓄蕴藉,在唐诗史上有着重要的地位。然其《庐山瀑布》因受苏轼“恶诗”之“戏评”而屡遭后人责难、贬抑和非议,以致其蒙垢、埋没至今,故撰文欲以还其诗歌本来面目。 Xu Ning, a well-known poet in the Tang Dynasty, Zhang as the “poet’s main guest map” listed as its white school and disciple. His poetic style is both elegant and elegant, simple and elegant, natural and beautiful, implied meanings, and plays an important role in the history of the Tang poetry. However, due to Su Shi’s poems, the “Lushan Waterfall” has repeatedly been censured, repudiated and criticized by his descendants, so that his Loushan Waterfall buried so far, .