Fan Xian's soul was his mother, Ye Qingmei. Ye Qingmei was a female engineering doctor. In the novel " Joy of Life," she was a transmigrator. Her soul had transmigrated into the body of a little girl. The details of how Fan Xian's mother had transmigrated were not revealed in detail.

Fan Xian had contracted myalgia gravis.
In Joy of Life, Fan Xian had not been reborn through soul transmigration. In the original work, Fan Xian's body was naturally produced by Ye Qingmei, but his brain was implanted with the memories of an adult from the " previous generation." In the TV series, Ye Qingmei was a female scientist from the " previous era " before the story happened. Thus, Fan Xian did not experience the scene of his soul being reborn.
In Joy of Life, Fan Xian had not been reborn through soul transmigration. In the original work, Fan Xian's body was naturally produced by Ye Qingmei, but his brain was implanted with the memories of an adult from the " previous generation." In the TV series, Ye Qingmei was a female scientist from the " previous era " before the story happened. This scientist had frozen his body and waited for the future to awaken. After the Earth experienced a large-scale nuclear war, the evolved humans adapted to the radiation on the surface, and the frozen humans gradually woke up and adapted to the environment. They used the " temple " as a stronghold to spread the civilization of the previous generation. Fan Xian was one of those who had awakened. He had not been reborn through soul transmigration, but through this special technology.
Fan Xian's fan was the Second Prince. Fan Xian demonstrated his familiarity and talent in poetry by reciting poems. This made the Second Prince develop a great interest and admiration for him. Fan Xian's act of memorizing poems not only displayed his talent, but also established a special relationship between him and the Second Prince, making the Second Prince his fan.
Fan Xian's sister, Fan Ruoruo, liked Fan Xian, but Fan Xian treated her as his own sister and had no feelings for her. Although Fan Ruoruo had always had deep feelings for Fan Xian, Fan Xian had made it clear that they were only siblings. In the end, Fan Ruoruo chose to marry King Jing's son, Li Hongcheng, and became King Jing's consort. Although Fan Ruoruo liked Fan Xian, she was not with him.
Fan Xian's sister, Fan Ruoruo, liked Fan Xian. From a young age, she had a deep love and admiration for Fan Xian, but Fan Xian treated her as his own sister and had no romantic feelings for her. Fan Ruoruo had always suppressed her feelings. In the end, she chose to marry King Jing's son, Li Hongcheng, and let go of her obsession with Fan Xian.
Fan Xian's feelings for Fan Sizhe were complicated. Fan Xian had once taught Fan Sizhe a lesson and sent him to Northern Qi. However, in the process of interacting with Fan Sizhe, Fan Xian gradually changed his view of him. He saw Fan Sizhe's true feelings and outstanding business talent, and he was full of respect for him. Fan Xian also realized the huge business opportunity hidden behind Fan Sizhe's " Story of the Stone." Thus, even though Fan Xian had a grudge against Fan Sizhe, in the end, he chose to give Fan Sizhe a chance and support him wholeheartedly. Fan Xian's feelings for Fan Sizhe had undergone a change. From the initial resentment to the final support and respect.
Fan Ruoruo was a character in Joy of Life. She was Fan Xian's sister. Fan Ruoruo had liked Fan Xian since she was young, but Fan Xian had always treated her as his own sister and had no romantic feelings for her. In the end, Fan Ruoruo married Li Hongcheng, the son of King Jing.
Fan Ruoruo's feelings for Fan Xian were complicated. She had always regarded Fan Xian as her dearest brother. She had a special reliance and love for him, and even had a crush on him. Fan Xian also treated Fan Ruoruo like his own sister, full of love and protection. Fan Ruoruo's feelings were a kind of admiration and dependence, while Fan Xian only had a sibling relationship with Fan Ruoruo. The emotional entanglement and deep friendship between them were very touching in the play. Fan Ruoruo's feelings might have surpassed the feelings of a brother and sister, but Fan Xian's feelings for her did not exceed this pure brotherly love. Thus, Fan Ruoruo's feelings for Fan Xian could be said to be a complicated mix of feelings.
Fan Xian had deep feelings for Fan Jian. Fan Jian had deep feelings for Fan Xian's mother, Ye Qingmei, so he adopted Fan Xian. Fan Xian had always thought of Fan Jian as his father, and Fan Ruoruo and Fan Sizhe as his sister and brother. Fan Jian's love for Fan Xian was like " a silent spring that cherishes a trickle." Although it was not obvious, it had always been there. As Fan Xian grew up, he gradually felt this fatherly love. In order to protect Fan Xian, Fan Jian had even abandoned his own son to give Fan Xian a suitable identity. Fan Xian's feelings for Fan Jian could be said to be selfless, deep, and firm.