Objective: To compare the efficency of analgesia between two groups of patients, the treated group was treated with fentanyl and bupivacaine by minimpump after operation, the controlled group was treate with pethidin and promethazine by muscle injection after operation.Methods: 85 patients were randomly divided into two groups: groupⅠ( n =40) (treated group) and group Ⅱ ( n =45)(controlled group). Result: The efficency of analgesia showed no significant difference between group I and group Ⅱ, but...