From July 6th to July 9th 2017, the “2017 China-Japan-Korea Multifunctional Nanomaterials Seminar” was successfully held in Yinchuan, China. The conference was hosted by the University of Science and Technology Beijing, the China Society for Materials Research and the International Federation of Materials Research, and it was supported by the National Natural Science Foundation of China, the Korea National Research Fund, the Korea Society for Materials Research and the Japan Society for Materials Research.