Inclusion Criteria:  Ages 3-7; Selective ophthalmological general anesthesia (static inhalation compound: propofol + fentanil intravenous administration; heptaflurane inhalation); No mental disorders, stunting and low intelligence; There is no other history of surgical hospitalization.  Exclusion Criteria:  Those who have completed the operation under local anesthesia; People with visual impairment of both eyes; Eyeball removal and/or eye socket implanter; Hearing and language impairment cannot communicate normally; Have a history of taking psychotropic drugs; People with severe organs such as the heart, lungs, brains and kidneys.