Precautions after operation: keep the wound clean and prevent infection. Be careful not to wet the wound when washing your face after operation. Remove the dressing from the eye one or two days after the operation. If there is blood scab or secretion on the wound, wipe it with sterile saline or medical alcohol. Don't rub your eyes hard, open your eyes more and close your eyes more. Pay attention to keeping eye tension after cutting double eyelids. Pay attention to raising your head as much as possible after operation, watch less TV and surf the Internet as little as possible, and pay attention to eye rest.