Double eyelid surgery can make your dream of double eyelids come true. Single eyelids can turn into double eyelids in an instant. Double eyelid surgery is a permanent eye plastic surgery. Do you know what you need to check before double eyelid surgery? Woolen cloth? Those who have conjunctivitis, blepharitis, or severe trachoma before double eyelid surgery must be cured before undergoing single eyelid to double eyelid surgery. If there is inflammation around the eyes, surgery will be postponed. Instill antibiotic eye drops the day before the surgery to convert single eyelids into double eyelids, twice a day. Routine blood tests should be done before double eyelid surgery. Patients with a history of bleeding tendency before double eyelid surgery should have their platelets and bleeding and coagulation times checked. Middle-aged and elderly recipients need to have their blood pressure measured and electrocardiogram performed if necessary. If there are mild abnormalities, symptomatic medication should be taken before surgery. Before double eyelid surgery, you should also check the medication you are taking. Stop taking steroids and aspirin and other anticoagulant drugs 7-10 days before the surgery. When performing double eyelid surgery, if the surgeon is in early pregnancy (three months) or late pregnancy (three months), the surgery from single eyelid to double eyelid will be postponed.