The air cushion suspension transportation system uses gas film technology to hold and move the load. It has many advantages such as strong bearing capacity, low friction with the ground, no wear to the ground, flexible walking, no pollution and high degree of automation, so it is widely used. For example, it can be used in the power industry, train and aircraft manufacturing, shipbuilding, steel industry, automobiles, construction machinery, and heavy machinery industries. It can carry heavy loads; it can be used in theaters, multi-function halls, and rotating stages to protect the ground; it can be used in pharmaceutical factories , The biochemical plant can keep the environment clean, etc.