The poem "Nostalgia" summarizes the poet's long life history and longing for the motherland. When we read this poem, we must first understand the emotion expressed by Mr. Yu Guangzhong. The poem "Nostalgia", It describes Yu Guangzhong's longing for leaving his hometown. The small stamp, the narrow boat ticket, the short grave and the shallow winding strait all show the author's longing for his hometown. However, we feel It makes the author miss his hometown.