In both the Korean history,and in Chinese history,be judged as the typical of the wicked woman,Yang and Zhang Xi wives.They is the wicked?Or had to walk this path?Then they become evil woman why?They eventually to chose this road?I pass the paper from their two people themselves,their husbands (li and lu su),the tang dynasty with north Korea's social background and literature on their description and evaluation,from this Angle to analyze several they eventually to the cause of the tragedy.