The utility model discloses a catch ball ware, including top connection, outer tube, internal sleeve pipe and a plurality of retention device, wherein: the upper end of top connection is used for connecting oil pipe, and the outer tube sleeved inside is outside the internal sleeve pipe, and the cooperation forms and seals up between the lower extreme of internal sleeve pipe and the lower extreme of outer tube, leaves the clearance between the middle part of internal sleeve pipe and the middle part of outer tube, be equipped with on the pipe wall of internal sleeve pipe in a plurality of intercommunication internal sleeve pipes with the clearance cross the liquid hole, be formed with an inside bellied annular boss on the sheathed tube inner wall including crossing liquid hole lower end, be equipped with in a plurality of intercommunication internal sleeve pipes the mounting hole with the clearance including the lower end of boss on the sheathed tube pipe wall, a retention device is all installed to the bottom of every mounting hole, and retention device includes that fixed axle, activity indicate and resetting means that be used for indicating to reset the activity to the horizontality. The utility model provides a catch ball ware can be with the pressure testing ball that in time catch to reach the well head, prevent the pressure testing ball return pipe toe portion that falls.