Provided is a wrist joint bandage having a taping function capable of preventing tenosynovitis of the hand by reducing a burden on the wrist joint. A wrist joint bandage 100 comprises: a band-shaped main body part 10 which is woven in a fabric having a loop face 13 of a touch fastener and is composed of a winding part 11 which is wound around the wrist of a wearer, and a supporting part 12 which is disposed from the back of the hand or the palm to the wrist of the wearer an anchor part 20 which is joined to one end 10a of the main body part 10 and into which a finger of the wearer is inserted and an engaging part 30 which is joined to the other end 10b of the main body part 10 and has a hook face 33 of a touch fastener, which is detachably stuck to the loop face 13 of the main body part 10.