The utility model relates to an electric hammer technical field especially relates to package assembly of special dust catcher of electric hammer and electric hammer, including electric hammer and dust catcher, dust catcher detachably installs on the electric hammer, and the electric hammer includes electric hammer motor casing, and electric hammer motor casing includes electric hammer motor casing upper cover and electric hammer motor casing lower cover, is equipped with guide boss on the electric hammer motor casing, and the dust catcher includes dust catcher motor casing, and dust catcher motor casing includes dust catcher motor casing upper cover, dust catcher motor casing lower cover and dust catcher curb plate, is equipped with the guide way on the dust catcher curb plate, guide boss's muscle position and the muscle position lock joint of each other of guide way is compared with prior art, the utility model discloses a package assembly of special dust catcher of electric hammer and electric hammer light in weight is small, during the installation, packs the guide way that the guide boss on the electric hammer motor casing aimed at on the dust catcher curb plate to the dust catcher perpendicularly into, accomplishes for the assembly when the parallel and level of the bottom surface of electric hammer and dust catcher, assembles on the electric hammer dust catcher convenient and fast.