1903 1 month (49 years old) received a case of a soldier with white skin. Watson remarried and left Baker Street. This case was written by Holmes himself. Xia, bring me the crown jewelry box. In September, he took the reptile case, and after the case was over, Holmes retired. ?

1907 (aged 53) Holmes left London to study beekeeping in Essex and enjoy the pastoral life after retirement. In July, I received The Case of Lion's Bristle, a murder case near Sherlock Holmes' seclusion, written by Sherlock Holmes himself. Spend the weekend with Watson occasionally.

19 12(58 years old) accepted the last tribute case and returned to the Jianghu at the invitation of the Prime Minister. After two years of investigation in the United States and Ireland, the German spy group was finally caught in one fell swoop. After the case was over, Holmes retired again.

1914 (at the age of 60) published a practical manual of beekeeping, which is also about the study of isolating queen bees.