In Joy of Life, Fan Xian was the son of the Qing Emperor and Ye Qingmei.

Fan Xian was the son of the Qing Emperor and Ye Qingmei.
In Joy of Life, Fan Xian was the son of the Qing Emperor and Ye Qingmei.
In Joy of Life, Fan Xian was the son of the Qing Emperor and Ye Qingmei. The Qing Emperor was his biological father, and Ye Qingmei was his biological mother. Even though the Qing Emperor did not publicly acknowledge Fan Xian's identity, in the play, Fan Xian gradually discovered his true identity and returned to the Qing Kingdom for revenge. In the play, the Qing Emperor showed indulgence and love for Fan Xian, surpassing his two princes. Thus, it could be confirmed that Fan Xian was the son of the Qing Emperor and Ye Qingmei.
In Joy of Life, Fan Xian was played by Zhang Ruoyun.
In Joy of Life, Fan Xian was the son of the Qing Emperor and Ye Qingmei.
In Joy of Life, Fan Xian was the son of the Qing Emperor and Ye Qingmei. Even though the Qing Emperor did not publicly acknowledge Fan Xian's identity, before Fan Xian went to Northern Qi, the Qing Emperor already knew his identity and showed him love and indulgence. Thus, Fan Xian could be considered the son of the Qing Emperor and Ye Qingmei.
Fan Xian was assassinated by Yan Bingyun in the last episode of Joy of Life, but it was not clear whether he was really dead. Some of the audience believed that Fan Xian might have faked his death to draw out the Second Prince's true goal. Thus, whether Fan Xian was really dead or not still had some suspense. They needed to watch the drama further to know whether Fan Xian was alive or dead.
Fan Xian was stabbed to death by Yan Bingyun in the last episode of Joy of Life. However, according to the Easter egg and other clues from the first season, Fan Xian might have faked his death. He and Yan Bingyun might have just put on an act to lure out the Second Prince behind them. Thus, whether Fan Xian was really dead or not still had some suspense.
As for why Yan Bingyun killed Fan Xian in Joy of Life, there was no definite answer. The ending of the play showed Yan Bingyun suddenly stabbing Fan Xian in the back and saying," This is my decision." Some netizens speculated that this might have something to do with the Second Prince's letter. The letter mentioned that if the Second Prince's matter was exposed, the Qing Kingdom would definitely be in chaos. The Overwatch Council's duty was to ensure that the Qing Kingdom would not be in turmoil. Perhaps the Second Prince had also written in Yan Bingyun's letter that for the safety of the Qing Kingdom, he was ordered to kill Fan Xian. However, this was only the speculation of the audience. The specific reason still needed to wait for the second season to be revealed. The scriptwriter Wang Juan also said that the reason for arranging the plot of " Yan Bingyun killing Fan Xian " would be revealed in the second season and could not be revealed. Therefore, we are currently unable to determine the true reason why Yan Bingyun killed Fan Xian.
It had yet to reveal the specific reason why Yan Bingyun wanted to kill Fan Xian in Joy of Life. The scriptwriter Wang Juan said that this question would be revealed in the second season, and the specific content was still in preparation. The audience had all kinds of guesses about the plot of Fan Xian being assassinated by Yan Bingyun in the first season's finale, but there was no clear answer. Therefore, we cannot determine Yan Bingyun's true motive for killing Fan Xian.