请教各位老师, 小儿旅行证还有效,大人现已收到绿卡,小儿是否可以用旅行证回国? 还是要重新去办理签证才能回国? 非常感谢!! -Your green card is irrelevant to your kid's 旅行证. So, your kid can use 旅行证 for the travel as before.