Is A Dream of Red Mansions a modern and contemporary work?

No, A Dream of Red Mansions is an ancient work.

A Dream of Red Mansions is China's first classical Four Great Classical Novels and a novel written by Cao Xueqin in Qing Dynasty. A Dream of Red Mansions is an earthly novel with world influence [3]. It is recognized as the pinnacle of China's classical novels, an encyclopedia of feudal society in China and a master of traditional culture.

Author Cao Xueqin (about 17 15- about 1763), whose real name is Zhan, whose real name is Qin Pu. Originally from Shenyang (Liaoyang), he was originally a Han Chinese in the last world. He entered Manchuria at the end of the Ming Dynasty and belonged to Zhengbai Banner in Manchuria.

According to the historical stages of China, 1840 is the ancient history of China, 1840- 1949 is the modern history of China, and 1949 is the modern history of China. Therefore, A Dream of Red Mansions is not a modern work, but an ancient work.