The utility model relates to a dismantle combination tool for difficult belongs to and dismantles combination tool technical field. This dismantle combination tool for difficult comprises function dish, ejector pin, pull rod, fixed fastener, and the function dish is gone up to open has center screw hole and radial star connection hole, the ejector pin screw thread is installed in the center screw hole of function dish, the quantity of pull rod is the same with the radial star connection hole count volume on the function dish, is fixed on the function dish by the nut, and the fixed fixed fastener that needs to dismantle the work piece is installed to its front end. The utility model discloses the fixed fastener of different shapes and structure is utilized, electromechanical device maintenance work can be accomplished fast effectively to bearing, axle sleeve, impeller, the several work such as " draw, pull out, push up " of leaning on work pieces such as back wheel, improve equipment maintenance efficiency.