Objective:To observe the analgesic efficacy and effect of intercostal nerve block and epidural block on breath and circulation in mammary gland operations.Methods:Patients were divided into three groups randomly,in both Group A and Group B more than two intercostal nerves were blocked through midaxillary line;in Group A ropivacaine was used and in Group B bupivacaine was used.In Group C,routine epidural block was given in T5 6,record the analgesia effect and the Vital signs.Results:To all the patients the...