As a sub forum of the 3rd International Conference on Electronic Information Technology (EIT 2024), 2024 International Conference on Microelectronics and Nanotechnology (ICMN 2024) had been successfully held from September 20-22, 2024 at Chengdu, China. There are two invited speakers and 10 oral reporters sharing their latest research progress and result during the conference. Overall, ICMN 2024 was a significant success, highlighting advancements and trends that will drive the microelectronics and nanotechnology sectors forward.