 According to whether or not to receive repeated caesarean patients were grouped into group P or group R. For all maternal,standardized epidural anesthesia and caesarean section were performed. Then the pain VAS scores and Ramsay scores at 4h, 8h, 12h, 24h and 48h after the surgery were recorded. And sleep quality at 1 day and 2 day after the surgery were recorded. In addition, pain situation at 1 week and 4 weeks after the surgery was followed up. 