The process of dressing change after breast nodule surgery is briefly summarized as follows: operator preparation (items, disinfection) – uncovering gauze → disinfecting the wound → laying new gauze → fixing the gauze → tidying up the items. Clinical dressing change is a very basic operation, the most important is the principle of asepsis, can not cause infection to the incision. The process of dressing change: the operator prepares the items and disinfects them first; the operator will remove the first layer of gauze and observe whether there is any oozing, bleeding, or adhesion; then the operator will wash his hands and wear gloves, open the dressing change kit, and clip up the second layer of gauze with tweezers. Then disinfect the wound three times, if the wound needs drainage, according to the position of the body should be placed in the lowest position of the wound, gauze strips, latex tubes and other drains, should be appropriate tightness, and should be placed on the end of the drain outside of the wound; and finally spread the gauze and fixation, the items will be thrown to the appropriate position. Clinical operation needs to be flexible, it is recommended to cooperate with the operator to change the dressing, which is conducive to the healing of the incision.