The invention relates to a matching computer accessory. The computer accessory comprises a mouse body, wherein a hand pad is arranged around the lower edge of the mouse body; the mouse body is surrounded by the hand pad; the hand pad is detachably connected with the mouse body; the upper surface of the hand pad is matched with the lower structure of a hand when the hand holds the mouse body; a temperature sensor is embedded in the upper surface of the hand pad; a heater for heating the hand pad is embedded in the hand pad; a controller is also embedded in the hand pad; the temperature sensor is connected with the controller through a line; the controller is connected with the heater; a permanent magnet is also arranged in the hand pad; a groove is arranged in the mouse body; a weighting block is arranged in the groove; and the structure of the weighting block is matched with the structure of the groove. Compared with the prior art, the computer accessory disclosed by the invention hasthe advantage that the weight of the mouse body can be increased through the weighting block in the groove to meet the weight requirements of different people; and the convenience and the comfortableness are improved.