The utility model relates to the technical field of
medical equipment, in particular to a
breast cancer postoperative
effusion drainage device which comprises a waistcoat body, a chest pad and
axilla pads. The waistcoat body is provided with a first mounting position and a second mounting position, the first mounting position corresponds to the chest position, and the second mounting position corresponds to the armpit position close to the chest; the chest pad is detachably connected with the first mounting position, and the
axilla pad is detachably connected with the second mounting position; a first through hole is formed in the center of the first mounting position, a second through hole is formed in the center of the chest pad, the first through hole corresponds to the second through hole, and a drainage tube can pass through the first through hole, so that the part, exposed out of the
skin, of the drainage tube is located on the side, away from the
skin, of the waistcoat body; the end, away from the
skin, of the drainage tube is hermetically connected with the negative-pressure device. Therefore, the device is a drainage device when being worn, and the thickened chest pad and the
axilla pad are arranged on the inner side of the waistcoat body, so that the chest wall of a patient can be uniformly stressed, and effective pressure bandaging is realized.