A waterproof cover for accommodating a peritoneal dialysis catheter includes a waterproof case and a sealing adhesive ring. The waterproof case includes an accommodating portion and a waterproof flange. The sealing adhesive ring contacts the waterproof flange, and the catheter could be accommodated in the accommodating portion. By the sealing adhesive ring, the waterproof cover could be adhesived with a patient’s skin, and the waterproof case of the waterproof cover could be deformed cooperatedly by the patient’s abdomen action, in order to prevent the peritoneal dialysis catheter from being wetted.一種用於容置腹膜透析管的防水罩結構，包括防水矽膠殼件及密封膠圈，防水矽膠殼件包括容置部及防水側緣，密封膠圈係接觸於防水側緣，且腹膜透析管可容置於容置部內。透過密封膠圈，防水罩結構可與患者的皮膚緊密黏合，且當患者淋浴盥洗時，防水罩結構的防水矽膠殼件可配合患者的腹部動作產生相對應的型變，以達到防止腹膜透析管淋濕浸水的目的。
