1.To comply with the doctor’s orders and actively cooperate with the completion of pre-operative laboratory tests required for the whole body. For example: electrocardiogram, chest X-ray, etc. (outpatient laboratory results in a timely manner to the doctor in charge); 2, serious preoperative ocular prophylaxis: preoperative both eyes need local anti-inflammatory eye drops, eye ointment application; 3, actively cooperate with the eye position, strabismus degree examination, exotropia in the trigeminal examination before the need to cover one eye for half an hour after (parents follow the instructions to do a good job in advance to cover one eye preparation); 4, parents to help do a good job before the operation of the child Psychological guidance, especially let the child fully understand: the day after surgery, both eyes dressing, can not see things, as well as general anesthesia children tracheal intubation will have pharyngeal pain discomfort, etc., so that the child is well prepared psychologically; 5, careful postoperative eye medication: postoperative are local medication for the operated eye, to wash hands before dropping medication, pay attention to eye hygiene; 6, postoperative need to minimize the child crying, so as not to aggravate the postoperative eye discomfort; 7. Try to reduce eye use in the short term after surgery. For example: reading books, watching TV, etc.