1. The first post-operative medication change time: Friday afternoon at the Ophthalmology Clinic, Room 6; the second post-operative medication change time: Monday afternoon at the Ophthalmology Clinic, Room 6. (If there is any change, we will notify you at the end of the surgery.) Please bring the eye drops and ointment you brought when you were discharged from the hospital for the medication change. The purpose of the dressing change: to observe the wound for infection, abnormal secretions, etc. The stitches are usually removed 7 to 10 days after external eye surgery, 7 to 10 days after pterygium or conjunctival surgery, and 10 to 12 days for full lid margin sutures. 2, bandage, inverted eyelash, heavy eyelid, eye bag surgery, postoperative can bandage; ice, all eyelid surgery (chalazion, wheals, granuloma, heavy eyelid) patients need ice after surgery to reduce bleeding and hematoma, pay attention to clean, need to be separated by gauze, ice bags need to be clean double plastic bags wrapped, pay attention to tighten the bag, once 30 minutes, 2 to 3 times a day, pay attention not to contaminate the wound, while you can take oral Yunnan Baiyao capsule for 5 days. 3, eye surgery after the change of medication, the patient can use the eye drops brought out of the hospital, 4 to 6 times a day, one drop at a time, eye drops bottle mouth do not touch the eyelashes and eyelids, to prevent eye drops are contaminated, postoperative eye drops to regular continuous point 2 to 3 weeks. 4. Diet: Try to eat a light vegetable diet for one month after surgery, and avoid spicy tobacco, alcohol, and large fish and meat. 5. It usually takes 1 to 3 months for the swelling to go down after eyelid surgery, and 3 to 6 months for the scarring of the eyelid to fade. For 1 to 3 months after pterygium or conjunctival surgery for congestion, hormonal and antibiotic eye drops are ordered for 4 weeks.