The invention discloses a damping and tilting-preventing inspection well cover. The damping and tilting-preventing inspection well cover comprises an inspection well cover base, a well cover, dampers and screws, wherein the inspection well cover base comprises a well cover base edge, an annular well cover base body, a well cover base groove and blind screw holes, the well cover base edge is arranged at the outer edge of the well cover base body and embedded into a surrounding base, the well cover base groove is arranged in the inner side of the well cover base body, and the blind screw holes are evenly distributed in the well cover base groove; the well cover comprises a well cover body, through holes, well cover counter bores and a well cover protrusion, the through holes are evenly distributed in the well cover body, the well cover protrusion is arranged at the edge of the lower bottom surface of the well cover body, the well cover counter bores are evenly distributed in the well cover protrusion, and the plurality of dampers are evenly circumferentially distributed on the inner side of the well cover protrusion; the well cover is integrally fastened to the inspection well cover base through the screws. The damping and tilting-preventing inspection well cover has the advantages that the inspection well cover is simple in structure and convenient to use; when the inspection well cover is used, vibration can be reduced, the surrounding base can be protected, and tilting of the inspection well cover can be prevented.