Background: Tonsillectomy is one of the most common surgical procedures, with 289,000 ambulatory procedures performed annually in children 0.05). The pain score of the children in the intervention group was significantly lower than that of the control group when returning to the ward on the day of surgery (Z=3.185, P=0.002), after 2 hours (Z=7 .280, P=0.000), after 4 hours (Z=6.4000, P=0.000), after 24 hours (Z=2.698, P=0.009), at discharge (Z=3.397 , P=0.002), and at the postoperative hospital visit (Z=3.349, P=0.001). Conclusions: The programs applied to children undergoing tonsillectomy can improve the participation of parents in postoperative pain management of children, relieve postoperative pain in children undergoing tonsillectomy , and improve children’s postoperative quality of life.