楼主看下这个 [url=http://rd2.huaren4us.com/huaren.php?hrtopic_id=2305198&hrurl=https%3a%2f%2fttlc.intuit.com%2fquestions%2f3582070-backdoor-roth-ira-contribution]https://ttlc.intuit.com/questions/3582070-backdoor-roth-ira-contribution[/url] 报税时要明确填写你的traditional ira是non deductable contribution

不需要交，除非你钱放到traditional ira以后待了比较久有了earning，earning那部分要交税