She is the Headmaster of Red Dress Holy Land and Yin Zhuanghong's Master, she was originally a member of the Reincarnation Sect, serving Zhao Hong until the Reincarnation Sect was destroyed through the treachery of the All Heaven Sect.
For the sake of rescuing Yin Zhuanghong from a forced marriage, Chu Feng fights and defeats the Mystic Cave Saints in a world spiritualist duel, reclaiming the Red Dress Holy Land's treasures in the process. After this, Han Xiu views Chu Feng as her benefactor and honored guest.
After Zhao Hong was sucked into a warp hole while on the Stairway to Heaven leading to the Great Chiliocosm Upper Realm, she was teleported to the Reincarnation Upper Realm where she regained memories of her past life, but was seriously injured and lost the memories of her current life. She requested Han Xiu's help to repair her body and regain her memories. Without knowing, Chu Feng assisted her in healing Zhao Hong.
After Chu Feng successfully steals the Bamboo Slip from the six great powers young generation's competition, she attacks the leader of the All Heaven Sect with Zhao Hong to obtain revenge. In their battle they are both defeated, and Han Xiu's cultivation is crippled, until Chu Feng arrives, repairing her dantian before attacking the All Heaven Sect's sect master.