The development of intelligent equipment, AI, 5G, consumer electronics, biomedicine, aerospace technology, and the military industry has created increasing requirements for various types of magnetic materials. This reprint describes the most recent advances in strong magnetic materials and emerging magnetic technologies, focusing on the preparation, microstructure, and properties of various metal-containing magnetic materials, including hard magnetic materials, soft magnetic materials, magnetocaloric materials, magnetostrictive materials, magnetic thin films, and magnetic technologies. This reprint will be of great interest to the scholars and engineers working in these fields.