本文对以往学界关于曹寅入侍时间的各种观点进行了排比与分析,认为各家之所以出现分歧,在于对清代文献中的某些用典和词汇理解上出现了不同于康熙时人的偏差,在对事物发展的考察问题上出现了“非此即彼”的逻辑错误;通过对曹寅史料的分析,指出曹寅应于康熙十一年(1672)始入京为皇帝侍卫,时年15岁。 In this paper, we arrange and analyze all kinds of views of Cao Yin’s enlightenment time in the past, and think that there are some differences between the various schools because there are some differences in the usage of the dictionary and vocabulary in the Qing Dynasty, , The “wrong or incorrect” logic appeared in the investigation of the development of things. Through the analysis of the historical materials of Cao Yin, Cao Yin pointed out that Cao Yin should first enter Beijing as the emperor’s bodyguard in the eleventh year of Kangxi (1672) 15 years old.