Air spring shell manufacturing method, air spring shell and automobile

The invention relates to an air spring shell manufacturing method, an air spring shell and an automobile, and the method comprises the steps that a shell raw material plate is punched in the first set direction, and an outer shell comprising an outer cavity is formed; and the outer-layer shell is punched in the second set direction, the second set direction is opposite to the first set direction, and an inner-layer shell which is located in the outer-layer shell and comprises an inner-layer cavity is formed. According to the air spring shell, integral punch forming is adopted, the welding or bonding technology can be reduced, the machining and manufacturing cost is reduced, meanwhile, during punch forming, the size of an adopted machining die is fixed, parameters such as the punching depth during punching are preset, errors of the punching procedure are small, and therefore the difference of the parameters such as the size of the manufactured and machined air spring shell is small, and the machining efficienc