select * from table where cardn in(select distinct cardn from table group by cardn having COUNT(cardn)>=3) select xftime from table where cardn in(select distinct cardn from table group by cardn having COUNT(cardn)>=3) group by xftime 不太明白为什么用xftime分组 没看到有一样的情况 所以强行谢了第二句 不知道有没有你需要的结果