Nowadays, the development trend of electronic products focuses toward miniaturization, increase of functionalities increase, high density circuits and components, three-dimensional (3D) structure, and thin and light-weight. Therefore, the key development trend is to integrate electronic circuits and their components into a 3D structural electronics. Currently, there is a high demand in 3D structure electronics for smart structural parts, communication electronics, automotive electronics, and medical electronics. This article introduces the key technologies of 3D structure electronics developed by the Industrial Technology Research Institute, the key features include intelligent 3D component bonding technology, local low-temperature metal welding technology, and combining LIM (Laser Induced Metallization) 3D circuit manufacturing technology to achieve the goal of high-precision 3D structure electronic production.