Huang Taizi Mishi ("Secret History of the Crown Prince") is a 2004 Chinese historical drama television series produced by You Xiaogang. The series is the second instalment in a series of four television series set in the early Qing dynasty. It was preceded by Xiaozhuang Mishi (2003), and followed by Taizu Mishi (2005) and Secret History of Kangxi (2006), all of which were also produced by You Xiaogang. The series follows the life of Yinreng, a son of the Kangxi Emperor who was crown prince for two terms during his father's reign before he eventually lost the succession to his brother Yinzhen.
The series romanticises the life of Yinreng, a son of the Kangxi Emperor of the Qing dynasty. Yinreng was designated crown prince for two terms during his father's reign before he was eventually deposed. His younger brother, Yinzhen, ultimately takes the throne as the Yongzheng Emperor.