Jingjie Li is a professor in the Department of Art History at Tsinghua University. His research centers on Buddhist material culture, with a focus on the key ideas of Buddhist material culture under the Northern, Southern and Sui Dynasties as well as the Tang and Song Dynasties. His research is extended to the Ming and Qing Dynasties. Additionally, Professor Li has conducted research on the profiles of the stone Buddhist statues as well as the gold-plated bronze Buddhist statues of the Northern, Southern and Sui Dynasties. He has also completed a thorough investigation of a series of marble Buddhist statues in Dingzhou 定州.