The recovery after surgery Comparing between the three groups of Continuous Wound Infusion (CWI), Continuous Epidural Analgesia (CEA) and Patient Controlled Analgesia (PCA), the incidence of superficial incision infection was 5%, 7, 5%, 7, 5% correspondingly, and hospital stay after surgery were8, 70 ± 1, 81, 9, 23 ± 2, 73, 9, 33 ± 1, 9 respectively, the difference between the 3 groups was not statistically significant with p> 0.05.