Revolutionary martyr He Jingping wrote it in the Zhazidong concentration camp of the Kuomintang Sino-American Cooperation Institute in the summer of 1948. In the poem, the author expresses the lofty aspirations of revolutionary martyrs and their determination to fight the enemy to the end. Poetry is permeated with the revolutionary spirit of single-mindedness, which deeply shocked readers and touched generations. They looked out of the reinforced concrete window, but they were satisfied, because they did not give up hope and resolutely fought against the world and reactionary forces.