How many stories about Di Renjie's case have been told in the world? Di Renjie was a famous politician and detective in the Tang Dynasty of China. He served as the emperor's advisor many times and solved many important cases. The more famous cases included the White Goose Case, the Peony Pavilion Case, and the Di Renjie Case. Among them, the Di Renjie Case was the most famous case. The story was about Di Renjie trying a murder case and finally determining the identity of the murderer through the analysis and reasoning of the evidence and bringing him to justice. This story was widely praised as one of Di Renjie's representative works.