Detective Di Renjie was a famous detective story set in the ancient Tang Dynasty. In the novel, Di Renjie was an excellent detective who successfully solved a series of cases by analyzing clues and collecting evidence. Although the story of Detective Di Renjie was set in the Tang Dynasty in Chinese history, its inspiration also came from the tradition of detective novels in ancient China. Detective novels were very popular in ancient China. Many famous detectives such as Conan Doyle and Sherlock Holmes were featured in ancient Chinese novels. Therefore, Detective Di Renjie was a classic of Chinese detective novels.