He is a refraction point of society and shows people's demand for such talents. Perhaps it was only in the heyday of the Tang Dynasty that people didn't have this idea. Although we are running the country now, we are still derailed. The modern society is prosperous and the pace of life is fast, which makes people more impetuous. How can we solve the case? How to judge a case fairly? There is always only one truth. Push away the clouds and you can always see the sky. But now many people are always desperate for fame and fortune, bringing disaster to the country and the people. Although there is legal deterrence, they are lucky. It is precisely because the current criminal investigators do not have Sherlock Holmes-like legends. If everyone can learn from Sherlock Holmes, who dares to extend a thief's hand?