The 7th International Conference on Material Engineering Research (ICMER 2024) took place in Jeju Island, South Korea, on April 19-21, 2024. The primary objective of ICMER 2024 was to provide a world-class forum for exchanging new information and the latest research results, exploring collaborations and sparking new ideas, with the aim of developing new projects and exploiting new technology in the field of applied materials and advanced materials processing technologies. The meeting brought together academics, scientists, engineers, postgraduates and other professionals in the area of material science and engineering technology from all over the world.