Fan Xian treated his illness.

In " Celebrating Years," Fan Xian was portrayed as a sickly character. He had experienced serious injuries, amnesia, and coma. There was no further information about Fan Xian's illness or the extent of his illness. In the play, Fan Xian was stabbed by a sword and fell unconscious. He was rescued by the Qing Emperor and sent to the Qing Emperor's bedroom to rest. Fan Xian's illness might have something to do with his previous weak body, but there was no further information on whether he suffered from depression.

Fan Xian's illness was myalgia gravis. Myalgia gravis was an auto-immune disease caused by the malfunction of the neuro-muscular junction. Fan Xian had successfully cured Lin Wan 'er of her consumption by giving her nutrition and medicine.

In " Celebrating Years," Fan Xian was portrayed as a sickly character. He had experienced serious injuries, amnesia, and coma. There was no further information about Fan Xian's illness or the extent of his illness. In the play, Fan Xian was stabbed by a sword and fell unconscious. He was rescued by the Qing Emperor and sent to the Qing Emperor's bedroom to rest. Fan Xian's illness might include fever, drowsiness, and other symptoms.

In " Celebrating Years," Fan Xian was portrayed as a sickly character. He had experienced serious injuries, amnesia, and coma. There was no further information about Fan Xian's illness or the extent of his illness. Although it was mentioned that Fan Xian might have contracted some kind of strange illness, it did not explain in detail. Therefore, regarding Fan Xian's illness, there was no detailed description in the search results provided.

Fan Xian lied to Lin Gong that he was sick, but he didn't mention what illness it was.

In " Celebrating Years," Fan Jian was considered the father who treated Fan Xian the best. Fan Jian's plan and personality were the most suitable for Fan Xian. He had raised Fan Xian for more than 20 years and was sincerely thinking for Fan Xian. Fan Jian was Fan Xian's father in name. For Fan Xian's safety, he raised him in Danzhou and planned the future of an idle and rich man. He also arranged for his marriage to Lin Wan 'er to obtain the power of the palace treasury. Although Fan Jian's love for Fan Xian was not obvious, it had always been there. Fan Xian had always only recognized the Fan family and not the Li family. Fan Jian's sacrifice and sacrifice were huge. In the end, he resigned from his official position and brought his family back to Danzhou to live a quiet life. Thus, it could be said that Fan Jian was the best father to Fan Xian.

Fan Jian was the father who treated Fan Xian the best. As Fan Xian's father in name, Fan Jian was genuinely good and genuinely considerate of him. For Fan Xian's safety, Fan Jian raised him in Danzhou and planned his future. He arranged for his marriage to Lin Wan 'er in order to obtain the power of the palace treasury. Fan Jian's plans and personality were the most suitable for Fan Xian. He had raised Fan Xian for more than 20 years and had always been thinking for him. Fan Jian's sacrifice and sacrifice were huge. In the end, he resigned from his official position and brought his family back to Danzhou to live a quiet life. Thus, it could be said that Fan Jian was the best father to Fan Xian.

In " Celebrating Years," the person who treated Fan Xian the best was Fan Jian. As Fan Xian's father in name, Fan Jian was genuinely good to Fan Xian and genuinely thought for him. For Fan Xian's safety, Fan Jian raised him in Danzhou and planned his future. He arranged for his marriage to Lin Wan 'er in order to obtain the power of the palace treasury. Fan Jian's plan for Fan Xian was the most in line with Fan Xian's personality. In addition, Chen Pingping was also sincerely good to Fan Xian, but it was mostly for revenge. His plans for Fan Xian were not entirely for Fan Xian's sake. The others, such as Fei Jie and Uncle Wu Zhu, also helped and cared for Fan Xian.

The content you provided is from the TV series " Celebrating Years ". There is no such plot in the original novel. In the TV series, Fan Xian treated Wan 'er in the third episode. At that time, Fan Xian wanted Wan' er to stay away from the danger of Niulan Street's assassination, so he asked her to pretend to be sick.

The Qing Emperor treated Fan Xian well mainly because he was his own son and had ability and talent. Furthermore, the Qing Emperor hoped that he could play a role in Jingdou. The Qing Emperor had a good impression of Fan Xian and thought he was outstanding and loyal to him. The Qing Emperor had even considered letting Fan Xian inherit the throne. However, because the Qing Emperor himself had become Emperor through a struggle for the throne, he did not want his son to walk the same path. The Qing Emperor also knew of Fan Xian's background and saw him as his illegitimate child. He had told him in Taiping Courtyard that he must return alive, showing the Qing Emperor's concern and importance for Fan Xian. The Qing Emperor's feelings for Fan Xian were complicated. At first, he tested Fan Xian, but following Fan Xian's performance and response, the Qing Emperor gradually thought highly of him and trusted him. In summary, the Qing Emperor was sincerely good to Fan Xian.