After operation, lightly press the auricle with loose alcohol gauze or physiological saline gauze, and bandage it, paying attention to the tightness. Elastic net external fixation. If there is hematoma, compression point or dressing movement, it should be cut in time for inspection, and the model can be used to adjust the pressure in the early stage. Prevent the auricle from poor blood supply, skin necrosis or plastic change at the compression point due to the hard or moving dressing. Antibiotics are usually used for 3~5 days, and the dressing is opened and the stitches are removed about 7 days after operation.