The utility model provides a multi-sealing device of a non-contact structure, and relates to a sealing device used between two structures capable of conducting relative motion. The multi-sealing device of the non-contact structure is simple in structure and good in sealing effect. The multi-sealing device comprises a vertical plate (2) and a transverse plate (3). The transverse plate (3) is located above the vertical plate (2), a flexible sealing structure is arranged on the portion, corresponding to the vertical plate (2), of the lower surface of the transverse plate (3), the upper end of the vertical plate (2) is located in the flexible sealing structure, and a fixing plate (5) is fixedly arranged on the transverse plate (3).