Postoperative precautions: 1. Apply antimicrobial agents to prevent infection, such as erythromycin, which is generally used for 3 to 5 days and can be taken orally without infusion in non-special cases. 2.Keep the wound clean and dry, and do not immerse the wound in water for a long time before removing the stitches, so as not to contaminate the wound and cause infection in the operation area. 3, the third day after surgery to the hospital to change the medicine, clean the wound; the sixth day after surgery to remove the stitches. 4.After surgery, pay attention to rest and avoid excessive use of the eyes; promptly follow up if there is any discomfort Post-operative recovery changes: Early after surgery, there can be bruises around the eyes, individual bruises, swelling is obvious in 2-3 days, swelling disappears in 5-6 days, and bruises gradually turn to light yellow. After surgery, cold compresses with ice bags can be applied, usually for 3-4 days, which can reduce post-operative bleeding; after the removal of stitches, the compresses are changed to hot compresses to promote the swelling to subside. By 10 days after surgery, the swelling has basically disappeared. To make the heavy eyelid line smooth and natural, it usually takes 1-2 months.