This poem reflects the historical event of the People's Liberation Army crossing the river to liberate South China. Is the battle of crossing the river.
The great significance of the battle of crossing the river lies in: laying a good foundation for the reunification of China; The speed of liberating the whole country has been greatly accelerated; Eliminated the Soviet Union and the United States' containment of China's reunification; Nanjing was liberated and the Chiang dynasty was overthrown.