An apparatus for breaking thrombus and aspirating the thrombus, the apparatus comprising: an aspirating rotary grinding hand-held system which integrates a rotary grinding head driving device , an aspirating device , a power supply device and a control device ; a micro catheter device comprising a micro catheter, which is communicated with the aspirating device and the rotary grinding head driving device , respectively; a waste liquid collecting device which is connected to the aspirating device , wherein the aspirating device and the waste liquid collecting device form an airtight passage; and a distal end rotary grinding head device which is connected to the rotary grinding head driving device through a connection mandrel , wherein the power supply device provides power for the rotary grinding head driving device ; wherein the distal end rotary grinding head device and the connection mandrel are accommodated in an inner cavity of the micro catheter device ; and wherein the control device controls the aspirating device and the rotary grinding head driving device , such that the aspirating device and the rotary grinding head driving device run simultaneously, the apparatus being characterized in that the distal end rotary grinding head device is cylindrical-shaped or shuttle-shaped and has a length comprised between 0,5 millimeters and 15 millimeters, in that the distal end rotary grinding head device comprises a side surface provided with rotary grinding head openings , in that the connection mandrel is composed of a core wire having a periphery, a protective sheath tube being sheathed on said periphery, and in that the protective sheath tube comprises a surface provided with a spiral cutting pattern . an aspirating rotary grinding hand-held system which integrates a rotary grinding head driving device , an aspirating device , a power supply device and a control device ; a micro catheter device comprising a micro catheter, which is communicated with the aspirating device and the rotary grinding head driving device , respectively; a waste liquid collecting device which is connected to the aspirating device , wherein the aspirating device and the waste liquid collecting device form an airtight passage; and a distal end rotary grinding head device which is connected to the rotary grinding head driving device through a connection mandrel , wherein the power supply device provides power for the rotary grinding head driving device ; wherein the distal end rotary grinding head device and the connection mandrel are accommodated in an inner cavity of the micro catheter device ; and wherein the control device controls the aspirating device and the rotary grinding head driving device , such that the aspirating device and the rotary grinding head driving device run simultaneously, the apparatus being characterized in that the distal end rotary grinding head device is cylindrical-shaped or shuttle-shaped and has a length comprised between 0,5 millimeters and 15 millimeters, in that the distal end rotary grinding head device comprises a side surface provided with rotary grinding head openings , in that the connection mandrel is composed of a core wire having a periphery, a protective sheath tube being sheathed on said periphery, and in that the protective sheath tube comprises a surface provided with a spiral cutting pattern . <EOS>