In modern China, the full name of the book was Lu Xun's Diary: Lu Xun in 1919 and the Legend of Hulan River. The novel narrates the author's experience and feelings in his hometown Hulan River. Through the description of the local customs, it reflects the dark side of society and the distortion of human nature at that time. The protagonist of the novel was Xu Guangping. She was born in a small village on the Hulan River. She was a hardworking and kind woman. The novel unfolded from Xu Guangping's perspective. Through her contact with the villagers, she learned about the life, customs, and culture of the Hulan River area. She also experienced the injustice of the local society and the distortion of human nature. The novel used Xu Guangping's family as the background to show the history and changes of the family and the interpersonal relationships between the family members. At the same time, the novel also expressed the author's views on human nature and love through describing the love experience of the protagonist Xu Guangping. The Legend of Hulan River is a novel with profound ideology and literary value, which is regarded as a classic of modern Chinese literature.