Abstract: The quantum nuclear reactor is a revolutionary and significant new type of reactor form in the future. The quantum nuclear reactor is a new form of energy that utilizes the coherence and superposition of quantum states, as well as quantum computing and quantum information processing. The quantum reactor can improve efficiency through quantum tunneling effect and quantum coherence effect, generate directional gravitational flow, and reduce dependence on extreme conditions. It can discover and calculate special phenomena such as entanglement, superposition and collapse through quantum computing and simulation, and optimize system design and enhance security by using technologies such as "quantum gates" and "quantum echoes". The quantum nuclear reactor has advantages such as high safety, high efficiency, and convenience and accuracy. It has important applications in clean energy, nuclear medicine, and basic scientific research, and is an important energy provider for the development of human wisdom in the future. It has a significant impact on human development.