 The poem, "To the tune of ‘the Beauty Yu’" ("Beauty Yu" is the metaphoric name for Papaver rhoeas) was written shortly after the loss of his kingdom to the Song Dynasty.The “Beauty Yu” also is a “”（Poem tune brand）, ancient Chinese people used "Papaver rhoeas" to commemorate an unfortunate and beautiful wife of a military general"".The last sentence of this poem is the most famous and is also the name of this movie.