由于圣宗年龄尚小,所以由其母萧太后摄政,萧太后是辽历史上著名的女政治家,于圣宗统和四年(987)进兵攻宋,大败宋军。
Xiao was an outstanding female statesman in history . In the fourth year of Shengzong ( 987 ) , Liao launched war against Song and won the battle .