Going to Yangzhou in March is from the Tang Dynasty poet Li Bai's Farewell to Meng Haoran on the way to Yangzhou by the Yellow Crane Tower. The original sentence is "an old friend said goodbye to the West Yellow Crane Tower, and fireworks went down to Yangzhou in March". The "fireworks March" here refers to the March of the lunar calendar, which is spring. Yangzhou at this time is picturesque and very beautiful. My old friend left the Yellow Crane Tower for the beautiful Yangzhou in spring (March). This poem expresses the poet's farewell to his friends and yearning for the beautiful scenery of Yangzhou.