請問我要出示我原來在美國的一切合法文件嗎 (F1 & H1)給 VISA OFFICER 嗎? -It is not required. But it is not hurt you to bring it just in case. 先生還在美國 ,我應該申請B1還是H4? -H4 is better becase this visa is dual intent and you may get it easier.