Fan Xian treated his illness.

In the eleventh episode of Joy of Life, Fan Xian helped Lin Wan 'er treat her illness. When Lin Wan 'er was young, she had a terminal illness. Fan Xian and the old poison used medicine to treat her, but the medicine was too strong, causing Lin Wan' er to become infertile. In the end, after a long period of recuperation, Lin Wan 'er's body recovered and she successfully gave birth to Fan Xian's son. He didn't mention what kind of treatment Fan Xian had used.

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

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.

Fan Xian was portrayed as a sickly character in Joy of Life. 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.

Fan Xian was portrayed as a sickly character in Joy of Life. 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 was portrayed as a sickly character in Joy of Life. 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. He was originally a person who had contracted some kind of strange disease. Other than crying, he was a dying person who could not move his entire body. However, in the show, Fan Xian successfully cured Lin Wan 'er's consumption by giving her nutrition and medicine. Fan Xian was a character who had transmigrated from the modern world. He had learned poison techniques from his teacher since he was young, so he knew how to treat diseases like consumption. In the play, Fan Xian suggested that Lin Wan 'er eat more chicken drumsticks to replenish her nutrients and give her medicine for treatment. Fan Xian's master, Fei Jie, was also one of the people who cured Lin Wan 'er's consumption. Through Fan Xian's care and treatment, Lin Wan 'er's illness gradually improved.

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 Joy of Life, 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.

The content you provided is from the TV series Joy of Life. 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.