Ye Qingmei told Fan Xian the truth.

Ye Qingmei revealed some truths in her letter to Fan Xian, including the secret door at the bottom of Taiping Courtyard's lake and the terrifying things and truth within. Fan Xian decided to open this secret door and faced his deepest fear. In addition, Fan Xian and Ye Qingmei were transmigrators. They knew some advanced technological theories that surpassed the Qing Kingdom. However, the specific truth was not mentioned in the search results provided.

Ye Qingmei revealed some truth in her letter to Fan Xian. She told Fan Xian that there was a secret door at the bottom of Taiping Courtyard's lake. There were many terrifying things and many truths inside. If Fan Xian did not open this door, he could live a peaceful life. However, Fan Xian decided to open this secret door. In the end, he faced his deepest fear. To be more specific, the truth that Ye Qingmei did not directly tell Fan Xian was not given in the search results.

Ye Qingmei revealed some truths in her letter to Fan Xian, including the secret door at the bottom of Taiping Courtyard's lake and the terrifying things and truth within. Ye Qingmei didn't tell him what exactly it was, but there were many terrifying things and many truths in this secret door. After Fan Xian decided to open this secret door, he faced his deepest fear. In addition, Fan Xian and Ye Qingmei were transmigrators. They knew some advanced technological theories that surpassed the Qing Kingdom. However, the information did not provide a clear answer to the specific truth.

Ye Qingmei revealed some truth in her letter to Fan Xian. She told Fan Xian that there was a secret door at the bottom of Taiping Courtyard's lake. There were many terrifying things and many truths inside. Ye Qingmei didn't tell him what exactly it was, but the things inside the secret door were very scary, and there were many truths. After Fan Xian decided to open this secret door, he faced his deepest fear. Therefore, the truth that Ye Qingmei told Fan Xian was about the terrifying thing and truth in the secret door at the bottom of Taiping Courtyard's lake. She did not mention the specific content.

Ye Qingmei revealed some truths in her letter to Fan Xian, including the secret door at the bottom of Taiping Courtyard's lake and the terrifying things and truth within. Ye Qingmei didn't tell him what exactly it was, but there were many terrifying things and many truths in this secret door. After Fan Xian decided to open this secret door, he faced his deepest fear. However, the specific truth was not mentioned in the search results provided.

In "Celebrating Years," Ye Qingmei told Fan Xian the truth in episode 46. In her letter to Fan Xian, Ye Qingmei explained her background and purpose, as well as why she wanted to help the Qing Emperor and Chen Pingping. She also told Fan Xian that she was actually a transmigrator from another world. She had come to this world to promote the progress and development of human society. She hoped that Fan Xian could inherit her will and continue to fight for freedom and equality for mankind.

In " Celebrating Years," Ye Qingmei told Fan Xian the truth that she had crossed over from the Temple. She had helped the Qing Emperor ascend to the throne. Her relationship with the Qing Emperor was one of being used and used. Wu Zhu was a robot that Ye Qingmei had brought out of the Temple. He was responsible for protecting Ye Qingmei and Fan Xian's safety.

In the novel " Celebrating Years," the truth that Ye Qingmei finally told Fan Xian was that she was a transmigrator from the Temple. Her goal was to change the world. She and the Qing Emperor were in love, but they parted ways because of their different ideals. She had helped the Qing Emperor ascend to the throne, but she had also become his enemy because of this. Not long after she gave birth to Fan Xian, she was murdered by the Qing Emperor. Fan Xian was the last gift she left for the world and also a tool for her revenge. In the TV series, Ye Qingmei did not tell Fan Xian the truth in the end. Instead, she let him find the answer himself. She left her letter and notes for Fan Xian to read at the appropriate time. After reading Ye Qingmei's letter and notes, Fan Xian gradually understood her thoughts and intentions. He also had a deeper understanding of his own life and fate.

The truth between Fan Xian and Ye Qingmei was that Fan Xian was Ye Qingmei's son and the Qing Emperor was their common father. When Ye Qingmei was carrying out a series of reforms in the Qing Kingdom, she was seen as a threat by the Qing Emperor, so he killed her. However, the Qing Emperor chose to let Fan Xian go. Perhaps it was because he was his son or because Fan Xian was still an infant. The Qing Emperor believed that he would not pose a threat to him. In addition, Fan Xian and Ye Qingmei were both transmigrators. They knew some advanced technological theories that surpassed the Qing Kingdom. The specific details and background information could be found in the relevant search results.

The truth between Fan Xian and Ye Qingmei was that Fan Xian was Ye Qingmei's son and the Qing Emperor was their common father. When Ye Qingmei was carrying out a series of reforms in the Qing Kingdom, she was seen as a threat by the Qing Emperor, so he killed her. However, the Qing Emperor chose to let Fan Xian go. Perhaps it was because he was his son or because Fan Xian was still an infant. The Qing Emperor believed that he would not pose a threat to him. In addition, Fan Xian and Ye Qingmei were both transmigrators. They knew some advanced technological theories that surpassed the Qing Kingdom. However, regarding Fan Xian and Ye Qingmei's specific origins and their influence in the Qing Kingdom, the search results did not provide clear information.