The invention discloses a municipal safety type rodent capturing and killing device. The municipal safety type rodent capturing and killing device comprises a ground cage box buried under the ground,a chute box which is parallel to and communicates with the ground cage box, and a support arranged above the chute box, wherein the support is a square support with an opened side surface; and a trapper is arranged in the support and comprises a base plate and a top plate which are in fixed connection through a plurality of fixed rods. The device provided by the invention is different from chemical-feeding killing in conventional municipal rodent killing, can realize separate treatment of capturing and killing, can avoid rodents from escaping through a lift-drop type trapper, can avoid leakageof a rodenticide in the killing process, greatly improves safety, can greatly improve capturing and killing efficiency of the rodents, avoids municipal facilities like water pipes and electric wiresand lines from being damaged, and reduces the incidence of human infections caused by rodent bacteria.