Dysprosium hydride is a compound composed of dysprosium and hydrogen, which has many excellent properties and has been widely used in many fields. It is mainly produced by the reaction of dysprosium metal and hydrogen at high temperature and pressure, and the reaction process requires the use of high purity hydrogen and dysprosium metal. Dysprosium hydride can be used to prepare high performance magnetic materials, magnetic resonance imaging contrast agents, magnetic suspension train magnetic system, etc. In addition, it can also be used to manufacture efficient solar cells, high-performance engines, high-precision magnetic resonance imaging equipment and improve data storage and transmission efficiency.