1、excited表示"兴奋的",指人、物对.感到兴奋；
2、exciting表示"令人兴奋的；使人激动的",指人、事、物本身让人兴奋、激动.
* 一般情况下,是人做主语,用v-ed； 物做主语,用v-ing.
He was excited at the news.
The news that our team won is exciting.
同样的道理,其他类似的词,surprising /sruprised ；interesting/interested ..也是这样区分的.
比较：
1.Are you excited about going to Beijing?你要去北京了,感到兴奋吗?
2.He told us an exciting story yesterday.他昨天给我们讲了一个使人激动的故事.
3.It's nothing to get excited about.这没什么可值得激动的.
4.I've got an exciting piece of work.我得到了一份令人兴奋的工作.