The secret of Joy of Life's account book was related to the secret of the temple and the bottom of Taiping Courtyard's lake, as well as the collusion between the Eldest Princess Li Yunrui and the Second Prince to privately swallow the palace treasury's finances. The Qing Emperor tacitly allowed the Eldest Princess to enter the capital to give Fan Xian the account book that had been left empty, hiding a deeper meaning. After Fan Xian took over the palace treasury, he discovered that the palace treasury had a deficit of 2000 taels. The Qing Emperor had long known what the Eldest Princess had done when she controlled the palace treasury and had Fan Xian fill the deficit. The specific contents and details of the palace treasury account book were not mentioned in the search results provided.

The secret of Joy of Life's account book was about the financial records of the palace treasury and the management of Qing Kingdom's financial income and expenditure. Fan Xian gradually grasped the power of the palace treasury and became the leader of the Qing Kingdom's power struggles. The reason Shen Zhong told Fan Xian the secret of the palace treasury was because he believed Fan Xian was a potential threat to Northern Qi and would bring trouble to Northern Qi. Shen Zhong's pursuit of Fan Xian was against orders. Whether he succeeded or not, he would be held accountable by the Emperor and empress dowager after he returned to court. The Qing Emperor tacitly allowed the Eldest Princess to enter the capital to give Fan Xian the account book that had been left empty, hiding a deeper meaning. The palace treasury account book that the Eldest Princess had given Fan Xian showed that the palace treasury had a deficit of 2000 taels. The Qing Emperor had long known what the Eldest Princess had done when she controlled the palace treasury. He also knew that the palace treasury had always been in deficit. The Qing Emperor let Fan Xian take over the power of the palace treasury. While testing Fan Xian, he also used Fan Xian's hands to fill in the deficit. In the end, Shen Zhong told Fan Xian the secret of the palace treasury. Fan Xian learned that the Eldest Princess, Li Yunrui, had colluded with the Second Prince to privately swallow the palace treasury's finances. The specific contents and details of the palace treasury account book were not mentioned in the search results provided.
The secret of the account book during the celebration was related to the financial situation of the palace treasury. Eldest Princess Li Yunrui embezzled the palace treasury's finances, causing the palace treasury to lose 2000 taels. The Qing Emperor tacitly allowed the Eldest Princess to hand over the deficit account book to Fan Xian, hoping to use Fan Xian to fill in the deficit in the palace treasury. The reason Shen Zhong told Fan Xian this secret was to expose the Eldest Princess and the Second Prince's collusion. The secret of the account book during the celebration had nothing to do with Ye Qingmei, the Temple, and other secrets.
The secret of Qing Yu Nian's account book was related to the financial records of the Qing Kingdom's treasury and the Qing Emperor's tacit approval of the Eldest Princess's private possession of the palace treasury's finances. The Qing Emperor had long known what the Eldest Princess had done when she was in control of the palace treasury. He also knew that the palace treasury had always been in deficit. The Qing Emperor let Fan Xian take over the power of the palace treasury. While testing Fan Xian, he also used Fan Xian's hands to fill in the deficit. The specific contents and details of the account book were not mentioned in the search results.
In " Celebrating Years," Fan Xian learned three important secrets from Xiao En. - [The secret of the temple: The temple is a remnant of the previous civilization. It contains many weapons produced by the previous civilization and is the largest weapons museum.] - The mystery of Xiao En's grandson's background was that Fan Xian grew up in Danzhou. Only then was Xiao En able to confirm that Fan Xian was his grandson. - Fan Xian was a prince. His mother, Ye Qingmei, married the Qing royal family, the current Qing Emperor.
The secrets of Joy of Life mainly included the following aspects: - [The secret of the temple is that it is a remnant of the previous civilization. It stores many weapons produced by the previous civilization and is the largest weapons museum.] Fan Xian's mother, Ye Qingmei, was one of the few people who knew the secrets of the Temple. Her servant, Wu Zhu, who had protected Fan Xian growing up, was actually a robot of the Temple. - The mystery of Ye Qingmei's birth: Ye Qingmei appeared in the temple because her soul had transmigrated into a girl in the temple. The girl that Ye Qingmei possessed happened to be in the temple, so when Ye Qingmei woke up, she found herself in the temple. However, Ye Qingmei did not want to be restrained by the temple, so she escaped with the help of Xiao En and Ku He. - The mystery of Fan Xian's birth was that Xiao En had secretly found out that Ye Qingmei had married the Qing royal family, the current Qing Emperor, and had given birth to a child for the Qing Emperor. Fan Xian had unintentionally learned another great secret from Xiao En. This secret was actually the mystery of his birth. When Fan Xian had heard this secret, he had been shocked. He hadn't expected to be a prince.
In Joy of Life, the secret inside the box was a Barrett sniper rifle, a letter, and some other items. This sniper rifle was one of the best sniper rifles in the world. It could shoot through a thick wall. The letter revealed Ye Qingmei's feelings for Wu Zhu and some secrets about this world. Other than that, there might be other scientific documents and tools in the box.
Joy of Life's secret was about the forbidden door at the bottom of Taiping Courtyard's lake and pond. In her letter to Fan Xian, Ye Qingmei mentioned that these places hid forbidden doors that might involve the secret of humanity's demise and Ye Qingmei's origins. The Forbidden Door might be Ye Qingmei's laboratory. There might be modern high-tech equipment inside. However, the specific secret of Joy of Life was not explicitly mentioned in the search results provided, so more specific information could not be provided.
Joy of Life had many secrets, including the relationship between the Qing Emperor, Fan Xian, Ye Qingmei, Xiao En, and other characters, as well as the secrets of their origins. The box Ye Qingmei left Fan Xian contained a letter and some pills. The bottom of the lake in Taiping Courtyard hid the secret of the Forbidden Door. The Forbidden Door was related to Fan Xian's next life. It involved Fan Xian's incurable disease in his previous life and the plot of his spirit " passing through " Ye Qingmei's son. In addition, the temple was also an important secret. It was a military museum built hundreds of thousands of years ago to preserve the seeds of human civilization. There were other secrets in the temple, such as Bartley and the intelligent robot Wu Zhu that Ye Qingmei had stolen from the temple. However, there was no mention of the specific content and truth of the Forbidden Door and the temple.
Qing Yunian's secret was revealed about the Qing Emperor's true identity and his hidden Great Grandmaster identity. The Qing Emperor had hidden his identity as a Great Grandmaster for more than 20 years. He kept a low profile and was vigilant to avoid being exposed. The Qing Emperor's true identity was finally revealed by Fan Xian, exposing his conspiracy and extreme desire for power. In addition, the Qing Emperor had set a trap to make Xiao En mistakenly believe that Fan Xian was his grandson to obtain the secrets of the Temple and Ye Qingmei. Ye Qingmei's last words also revealed the secret she had hidden from the Qing Emperor for many years. However, the specific details and the development of the plot needed to be further watched or read the original work to know.
Joy of Life's secret was about the Qing Emperor's true identity and his hidden Great Grandmaster identity. The Qing Emperor had hidden his identity as a Great Grandmaster for more than 20 years. He kept a low profile and was vigilant to avoid being exposed. The Qing Emperor's true identity was finally revealed by Fan Xian, exposing his conspiracy and extreme desire for power. Fan Xian was the illegitimate child of the Qing Emperor and Ye Qingmei, while Lin Wan 'er was the illegitimate daughter of the Eldest Princess and Prime Minister Lin Ruofu. Until his death, the Qing Emperor did not know that Ye Qingmei had lied to him. Fan Xian was not his biological son. These secrets were gradually revealed in the play.