Peng Chengzhi 1976 10 was born in Hunan. Researcher. 1998 graduated from the university of science and technology of China, majoring in applied physics. In 2005, he received his doctorate from the University of Science and Technology of China. Since 2007, he has been an assistant professor in the Department of Physics of Tsinghua University. In 2009, he was employed as a researcher in the National Laboratory of Microscale Materials Science of the Chinese University of Science and Technology. A series of important research achievements have been made in the research of quantum key distribution of practical bait and quantum communication based on entanglement. Since the first academic paper in the field of quantum communication was published in 2005, seven papers have been published in Nature Sub-journal, PNAS and phys.rev.lett, among which three are first authors or communication authors, and all the related work has been completed in China.