The utility model discloses a container sling, including the hoist girder, one run from opposite directions blocking device and control system, control system includes control module and junction box, the last plug of being connected with the bridge crane master control that is provided with of junction box, the junction box with control module is electrically connected, one runs from opposite directions blocking device passes through the junction box with control module is electrically connected, the both ends of hoist girder set up and respectively are provided with 1 set division of blocking device, it includes pull rod, a pair of tapered end and is used for the drive to open blocking device the motor of pull rod, the pull rod with correspond the side a pair of tapered end is connected, a pair of tapered end symmetry of homonymy is provided the both sides of hoist girder. Through the utility model discloses a hoist and mount of superelevation layer container.