The invention discloses a municipal manhole cover which comprises a barrel, a flange plate, a cover body and a hinge seat. The flange plate is arranged at the bottom of the barrel. An outwards-convex reinforcing rib is arranged in the middle of the barrel. A rubber gasket is mounted at the bottom of the flange plate. The cover body is arranged on the barrel. The hinge seat is mounted on the inner side of the cover body. A rotating shaft is arranged in the hinge seat. A limiting rod is welded to the middle of the rotating shaft. Reinforcing ribs distributed in a cross manner are further arranged on the inner side of the cover body. Water permeable holes are formed in the cover body. Hooks and a support are welded in the barrel. A protection net is arranged on the hooks. The limiting rod penetrates the support. A check block is welded to the bottom of the limiting rod. The municipal manhole cover has a buffer function, is high in structural strength and safety performance and meanwhile can achieve burglary prevention.