Fan Sizhe was played by Guo Qilin.
Fan Sisai and Fan Ruoruo were half-siblings. Fan Ruoruo was Fan Jian's biological daughter, and Fan Siche was Fan Jian's son, but the mother was different. They were siblings in the drama, but they were not related by blood. Fan Ruoruo married King Jing's son, Li Hongcheng, and Li Hongcheng was also very infatuated with Fan Ruoruo.
Fan Sisai and Fan Ruoruo were half-siblings. Fan Ruoruo was Fan Jian's biological daughter, and Fan Siche was Fan Jian's son, but the mother was different. They were siblings in the drama, but they were not related by blood. Fan Ruoruo married King Jing's son, Li Hongcheng, and Li Hongcheng was also very infatuated with Fan Ruoruo.
Fan Sizhe ended up as a successful businessman in both the TV series and the novel. Under Fan Xian's guidance, Fan Sizhe found his own direction in life and created his own business path. He used his clever brain and proficiency in business to achieve great business success. Fan Sizhe finally realized his dream of wealth.
Fan Ruoruo did like Fan Xian, but Fan Xian had always regarded her as his own sister and had no feelings for her. In order to suppress her feelings, Fan Ruoruo chose to bury her love for Fan Xian in her heart and focus on learning medicine. In the end, Fan Ruoruo married Li Hongcheng, the son of King Jing. Therefore, Fan Ruoruo did not like Fan Sizhe.