The main reason why the ending of Only Thirty was controversial was that there were many possibilities for the plot development, and there were also differences in the views of readers and authors on the ending. From the plot itself, the development of the ending was not very complete and logically rigorous. There were some contradictions and unreasonable places, which also led to some readers 'dissatisfaction with the ending. In addition, the relationship between the characters and the emotional development involved in the finale were not clear and stable enough. Some readers thought that this might lead to confusion and incomprehension of the plot. However, as a novel, the ending of " Only Thirty " still needed to be analyzed in detail. Some readers may prefer the plot and character development in the ending while others may think that the ending is too dull and unreasonable. The ending of a novel was decided by the author according to the plot and character setting. If the author could fully excavate the meaning and artistic conception of the story and end it in a way that matched the readers 'preferences, the ending would not be regarded as a bad ending. Therefore, we need to look at the ending of " Only Thirty " with a rational eye and not over-evaluate and attack it.