1, double eyelid surgery within two weeks before, please do not take drugs containing aspirin, because aspirin will make the platelet coagulation function is reduced; 2, patients suffering from hypertension and diabetes, should inform the doctor inform the condition at the initial consultation, so that the doctor to confirm the surgical plan; 3, double eyelid surgery before to determine the health, no infectious diseases or other body inflammation; 4, double eyelid surgery before the operation do not 5, do double eyelid surgery women to avoid menstruation.