Abstract: The present invention is intended to train and strengthen the muscles of a certain area of the body and relates to specifically to an abdominal exercise devoice that strengthens the muscles of the abdomen or removes subcutaneous fat so that an ideal abdominal state may be achieved. Provided is an abdominal impact device that may be used in a sitting or standing position, comprising a cylinder operated by oil pressure or air pressure, a piston that is moved by the cylinder in a reciprocating way, an impact ball that is furnished at the tip of the piston for impact, and a control panel that controls said cylinder so as to provide an abdominal exercise device that enables abdominal strengthening and the breakdown of subcutaneous fat by impact.