Huo Xiuxiu is a significant character in the series 'Daomu Biji', also known as 'The Lost Tomb'. She is the granddaughter of Huo Ling, a powerful figure in the underground world of tomb raiding. Intelligent and resourceful, Xiuxiu is deeply involved in the intricate networks of treasure hunters. Her role often involves gathering information and providing critical support to the protagonists. Despite her young age, she demonstrates a strong sense of responsibility and loyalty, making her a valuable ally in the dangerous and mysterious world of tomb exploration.