1、两个词组的意思不同:me too:我也是。me neither:我也没有。2、两个词组的用法不同:me too用在肯定句中表示"我也....."例句:—I like football.—Me too.me neither用在否定句中表示“我也不”。例如:—I don't like volleyball.—Me neither/Me either.注:Me neither = Neither do I. 都表示“我也不,我也没有”。扩展资料:me too 和me neither的详细用法:1、Me, too. = so + 助动词 / 情态动词 / 系动词 + I(表示肯定)She likes music. —Me, too. (=So do I.)Tom can swim. —Me, too. (= So can I.)He is a teacher. —Me, too.(=So am I.)2、Me, neither. = neither / nor +助动词 / 情态动词 / 系动词+I(表示否定)She doesn't like maths. —Me, neither. (= neither do I.)She doesn't like math —Me, neither. (=I don't like maths ,either.)