Mobile LNG storage tank is a common and advanced long-term storage equipment for cryogenic liquid. It has the advantages of large storage capacity, adjustable pressure, low evaporation rate, safety and reliability, and is widely used in LNG filling stations, LNG gasification stations, LNG emergency peak shaving stations and other projects. Mobile LNG storage tanks are convenient to transport and install, and flexible to adapt to different places and needs. It provides a reliable solution for the storage and supply of LNG and supports the application and popularization of LNG energy.