The ending of Cai Jun's novel Human World is a story full of surprises and reversals. This ending can be interpreted and understood from many angles. Here are some possible explanations: The ending reflected the protagonist's deep thoughts and reflections on life. At the last moment of his life, the protagonist realized that he had done something wrong and made a wrong choice. At the same time, he understood the preciousness and infinite possibilities of life. This ending expressed the protagonist's reverence for life and a new understanding of human nature. The ending is an open ending, which means that the protagonist's actions and choices will affect his future and destiny. In the novel, the protagonist chose to leave this world at the last moment of his life, but his actions and choices would also affect his future and destiny. This ending meant that people needed to make careful and comprehensive considerations before they could make the right choice. The ending reflects the author's thoughts on human nature and social reality. The experiences and choices of the protagonists in the novel reflect people's re-examination and thinking of love, family, freedom, morality and social values. This ending also reflected the author's thoughts on human nature and his concern for social reality. The ending was a reversed ending, which meant that the protagonist's original plan and thoughts were not the final ending. At the end of the novel, the protagonist's departure does not change anything, but the reader can guess that he may return to this world in the future and change things again. This ending expressed the impermanence and uncertainty of life, and also reminded people not to make decisions easily and give up hard work. The ending of " The World " was full of surprises and reversals, reflecting the protagonist's deep thinking and reflection on life, and also reflecting the author's thoughts on human nature and social reality. The readers could interpret and understand this ending from different angles according to their own understanding and thoughts.