The werewolf legend originated in Europe, but the exact origin is not clear because the origin of the werewolf legend can be traced back to many cultures and historical periods. Some versions of werewolf legends believe that they originated from the hunting culture of primitive society, while others believe that they originated from the vampire culture of Europe. The earliest works about werewolves in literature can be traced back to the 16th century English novel Gulliver's Travels. According to the description of the novel, Gulliver described some stories and legends about werewolves in his travels. Since then, the legend of werewolves has existed in European literature and has been further developed and interpreted in different works. For example, in the 18th century British novel Sherlock Holmes, Holmes had a conflict with a werewolf, and in the 19th century American novel The Adventures of Huckleberry Finn, Huckleberry Finn also met a werewolf. The werewolf legend had different versions and explanations in Europe and other regions, so the exact origin was not clear.