What is the peak of China's ancient realistic novels?

Dream of Red Mansions. . . A Dream of Red Mansions, written in the Qianlong period of Qing Dynasty, is a novel with a series of chapters. It used to be called "Stone Story", "Love Monk Record", "Treasure of the Moon", "Twelve Women in Jinling" and so on. A Dream of Red Mansions is regarded as the most accomplished classical novel in China, the pinnacle of China's novel creation, and the first of the "four classical novels" in China. Its influence transcends the times and national boundaries, and it is a bright pearl in the history of world literature, resulting in a dream of red mansions, a subject with the theme of modern research on it.