[Abstract]Objective:To evaluate postoperative patient satisfaction and pain controlled effect with the analgesic of PCA by APS rounds missionaries to postoperative patients 4h late after operation.Methods: Established nurse based anesthesiologists supervised APS organization , APS will be accepted the day after 4h PCIA patient education intervention as an intervention group, patients will not be the day of missionary intervention as a control group, all patients were anesthetized using a unified program and analgesic programs, using APS pain assessment system, record the patient's analgesic rounds assess the degree of control, pain score, sufentanil dosage, postoperative complications.Results: The proportion of patients in the intervention group often occurs in severe pain was 34.7%, the missionary group was 6.6% (p <0.001), a statistically significant; the degree of pain in patients with the most severe pain scores in the intervention group was 5.03±1.03, in the control group 7.23±1.04 (p<0.001), patient satisfaction average score in the intervention group was 4.20±0.13 points and in the control group was 3.99±0.12 points; 48h total use of sulfentanyl, the intervention group was 72.80±27.18, in the control group was 78.82±24.95, (p <0.0001), Poor pain management ,the rate of intervention group was 7.35%,the rate of control group was 13.76%(p＜0.05), there are statistically significant. Conclusion: APS team gives education to patients 4h late after can effectively reduce joint pain in patients with PCA to improve the quality of postoperative pain management, improve patient comfort and satisfaction .