The Buttenbrocks was a mystery novel by Conan Doyle, which was first published in 1886. The novel tells the story of seven generations of the Budenbrock family, covering events from the end of the Qing Dynasty to the 1920s. In the novel, the members of the Brock family were all murderers. They used their family history and inherited weaknesses to plan a series of murders in an attempt to dominate British society. Through the interaction between family members and the changes in family history, the novel shows the changes of British society and the complexity of human nature. The plot of the novel was full of ups and downs, and the characters were vivid. It was known as a classic detective novel and one of Conan Doyle's representative works.