2023 International Workshop on Materials Behavior at Micro- and Nano-Scale （Online and Offline） hosted by the Center for Advancing Materials Performance from the Nanoscale (CAMP-Nano), State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, will be held from May 9 to May 12 in Xi’an, China. The following is the schedule. The location of the wrokshop: Room 101, Science Building, XJTU.