"Northern China" is Xiao Hong's famous novel, a short story written while he was living in Hong Kong. It describes the decline of Mr. Geng Da's family because his son Geng Zhenhua went out to fight the war. In the end, his son died in the civil war and his father died of depression. The novel is set against the background of the Wannan Incident, and its focus is on the other side of the battle line - the tragic fate of the Geng family being separated. Behind the front lines, the emotional changes of the old family members, the rise and fall of the family, and the nostalgia for their hometown. In addition to "North China", another piece "Back Garden" also describes the perceptions, difficulties, prosperity and decline of small people in the era of displacement. Both are excellent short stories.