The utility model provides a device for hydraulic tappet assembly of taking, belongs to automobile engine assembly technical field. The utility model discloses a problem that intensity of labour is big easily appears anti -ing the hydraulic tappet dress when solving assembly hydraulic tappet. The utility model discloses a hydraulic tappet locating piece fixed mounting is on work platform, a plurality of hydraulic tappet locating holes have been seted up on the hydraulic tappet locating piece, the distribution of the hydraulic tappet mounting hole on the distribution of a plurality of hydraulic tappet locating holes on the hydraulic tappet locating piece and the cylinder cap keeps unanimous, work platform is last to have seted up a plurality of thimble via holes, the work platform below is arranged in to the thimble holding plate, a plurality of hydraulic tappet thimbles distribute on the thimble holding plate, the jacking cylinder passes through cylinder support and installs the below at work platform, the ejecting end top of jacking cylinder is on the lower terminal surface of thimble mounting panel, hydraulic tappet adsorbs the top of frock setting at the hydraulic tappet locating piece. The utility model is used for hydraulic tappet taking and assembling.