The utility model discloses a special arc bridge cut -off of police dog belongs to police dog training apparatus technical field. All single linear type in order to solve current swash bracket, can not conveniently remove and according to the problem of demand adjustment distance. The utility model discloses a special arc bridge cut -off of police dog includes the bridge cut -off that two horizontal symmetry set up, and every bridge cut -off all includes the crane span structure main part, sets up flat slab bridge face and arc bridge floor in the crane span structure main part, and the bridgecut -off still includes the slide, the bottom of every bridge cut -off all is provided with from the locking -type truckle, can be on the slide linear motion, the bridge cut -off still includes a plurality of electrical cylinder, and the level arranges that every electrical cylinder's cylinder body passes through the mount pad to be fixed on the side of a crane span structure main part around a plurality of electrical cylinder, and electrical cylinder's piston rod head links together with the side of another crane span structure main part. The distance between the bridge cut -off is easily adjusted to convenient the removal, labour saving and time saving, improvement and the motion capability training who has realized the police dog psychological quality from the easier to the more advanced, progressive the training effect.