The utility model relates to a technological apparatus field of medical treatment hemostasis, in particular to arteria femoralis haemostat. The utility model discloses an arteria femoralis haemostat, including clamp plate, layer board and bandage, the both ends of bandage are overlapped respectively on clamp plate and layer board, be provided with through -hole and hemostasis device on the clamp plate, the hemostasis device includes power spare, drive mechanism and pressing piece, and drive mechanism includes semicircle worm wheel, semicircle baffle, meshes the worm of being connected with the semicircle worm wheel, and the pressing piece is in the through -hole top, the utility model discloses in, hold the thigh with the layer board below, above the clamp plate pasted the thigh, with the both ends that the bandage entangled layer board and clamp plate, the fastening is the thigh firmly, power spare slowly drives the drive mechanism motion, worm and semicircle worm wheel meshing cooperation motion, and guide arm motion under the guide slot guide makes the worm downstream to drive the pressing piece downstream, be close to the through -hole, thereby push down the arteria femoralis, stanch. The utility model is simple in operation, convenient and practical, high -efficient safety.