To observe the effect of individualized ventilation combined with auricular acupoint pressing needle on the quality of emergence from anesthesia and postoperative cognitive function of patients undergoing laparoscopic colorectal cancer surgery o

Interventions: Auricular acupoint pressing needle:Auricular acupoint pressing needle at the end of the operation;Control group:N/A Primary outcome(s): time to spontaneous respiration recovery ;time to extubation ;time to orientation ;RASS;Mini-mental State Examination(MMSE);heart rate (HR);mean arterial pressure (MAP);cerebral oxygen saturation(rSO2);optic nerve sheath diameter(ONSD);internal jugular vein valve function;time to emergence;Montreal Cognitive Assessment Scale (MOCA) Study Design: Parallel