Fricative mouse of wrist prevents

The utility model provides a fricative mouse of wrist prevents, mouse includes the mouse body, the top surface of mouse body is close to front end punishment and do not is equipped with left mouse button and right mouse button, be provided with the gyro wheel between left mouse button and the right mouse button, the rear end department of the bottom side of mouse body is provided with the recess,be provided with the backing plate in the recess, backing plate and mouse body sliding connection, the backing plate includes mainboard and subplate, the both sides on mainboard upper strata are provided with and hold the groove, two hold the inslot is provided with the subplate respectively, subplate and appearance groove sliding connection, the upside of mainboard and subplate is provided with anti -scratch layer respectively, make the hand wrist drop on on the backing plate all over, the upside of mainboard and subplate is provided with anti -scratch layer respectively, the anti -scratch layer texture is soft, avoi