The invention discloses a fixed dressing for PICC-associated dermatitis in oncology department, relates to the technical field of auxiliary treatment equipment for postoperative wounds, and aims at the existing dressings which are easy to be misplaced in use position, inconvenient to replace the dressing, and the use rate of static dressing is low, and the wound In view of problems such as slow surface recovery, the following scheme is now proposed, including a storage box, the two sides of the storage box are fixedly connected with a connecting mechanism, and the connecting mechanism includes a cover plate, and a mounting plate is welded on the bottom of the cover plate. The outer ring of the mounting plate is provided with a connecting plate, which is welded with the outer wall of the storage box, and a cavity is opened in the connecting plate. The invention has a novel design structure, the position of the dressing is fixed simply and quickly, reducing the workload of medical staff, the bandage is elastic and the patient’s movement will not affect the degree of tightness, and the dressing is used for temperature control and heating to improve the recovery effect of the drug, which is beneficial to the absorption of the drug by the affected part, and assists in healing Speed, reduce patient discomfort, suitable for popularization.