Experimental group had less time in postoperative wound healing time , gastric tube indwelling time and postoperative hospital stay than control group , with statistically significant differences ( t = 6.89 , t = 6.36 , t = 6.42 , respectively , P < 0.01 ) ; Incidence of postoperative discomfort symptoms in experimental group was less than that in control group ( P < 0.05 ) .