Prof. Xiangna Han is a lecturer and associate professor at the University of Science and Technology Beijing. She obtained her PhD from the Shanghai Institute of Ceramics, Chinese Academy of Sciences from 2008 to 2013. Her main research projects are applied research on first‑aid protective materials for fragile objects unearthed at archaeological excavation sites and key scientific and technical foundations for the protection of fragile silicate cultural heritage. Her research interests are the conservation of fragile cultural relics at archaeological excavation sites and the synthesis, performance, and evaluation of protective materials for cultural heritage, especially lacquerware, waterlogged wood, wall paintings and fossils.