Whether or not stitches need to be removed depends on the type of suture used, if it is ordinary thread then stitches need to be removed, if absorbable thread is used then no stitches need to be removed. If ordinary sutures are used after the procedure, it will take about 7 to 10 days to check and the sutures need to be removed when the recovery is good. If absorbable thread is used, the thread can be absorbed by the tissue, and there is no need to remove the thread at this time. Therefore, it is important to clarify the type of suture used and follow the doctor’s instructions on whether to remove the suture. In addition, if the absorbable threads used are not absorbed for a long time after the surgery, it is also necessary to come to the hospital for a review and removal is given, please consult with the surgeon for the exact time. After iontophoresis, it is necessary to maintain the incision dry and clean, regular dressing change treatment, and avoid strenuous activities after the operation to avoid tearing of the incision.