1, carefully analyze the reasons for the failure of the previous operation;
2. Redesign the incision line of double eyelids and try to remove all scars of the original incision;
3. Remove the scar before meibomian and fully separate the adhesion between muscle and tissue;
4. The arc is smooth and natural when sewing;
5. Be careful about the tissue during the operation, be gentle and minimally invasive, shorten the recovery period and reduce scar hyperplasia.