Conan Doyle's works referred to The Complete Sherlock Holmes Mysteries, including Sherlock Holmes 'Chain of Inference, Three Cups of Tea, Watson and Holmes, Conan Doyle and Agatha Christie, and so on. These works were regarded as the classics of detective novels. The detective stories with Sherlock Holmes and his assistants as the main characters were very popular among readers. Among them," Sherlock Holmes 'Chain of Inference " was the most famous one. It used Holmes' train of thought and logic to closely connect multiple seemingly independent events and finally reveal the truth.