- Heart, lung, liver, kidney function was abnormal; she has a history of asthma, central nervous system diseases, congenital disorders, hyperactivity, anesthesia operation history; there are factors to evaluate any impact cognitive functions such as language, severe visual and hearing impairment; expected before surgery in patients with delayed extubation; any reason not to cooperate to complete the whole test; perioperative bleeding again; postoperative anesthesia operation; operation time >1h; extubation in patients with delayed; quit by researchers in the process of.