In November 18th, Professor Xie Sishen, a well-known experts in nano science, (Academician of the academy of science of China,) was invited to visit CIGIT and gave us a report entitled " The advanced technique in nano science-NBIC", introducing the past, application and the future of the NBIC technology. About 100 people of CIGIT went to the report and communicated with Professor Xie Sishen.