" Twenty Thousand Miles Under the Sea " was a French story about the exploration of the underwater world by King Aronnax of the Netherlands and his servant Conseil. The following is a summary and analysis of these three characters: Aronnaz: The King of the Netherlands was an adventurous man who dreamed of exploring the unknown sea world. He encountered many dangers and challenges at the bottom of the sea, but finally succeeded in completing his plan with the help of Consel. Conseil: Aronnax's servant is a clever, quick-witted, and brave man. He assisted Aronnax in many missions and successfully protected him from monsters and dangerous creatures in the sea. 3 The Netherlands: Aronnax's country is one of the richest and most powerful countries, but it is facing a serious crisis due to political corruption and internal strife. At the bottom of the sea, the king of the Netherlands was overthrown and the country fell into chaos. Through the description of these three characters, Verne successfully created three unusual characters whose fates and encounters were intertwined with the background of the entire underwater world to form a unique science fiction painting. At the same time, through their stories, the novel also explored human dreams, courage, adventurous spirit, politics, power and freedom.