1, 我是H1, 律师建议也申请EAD,请问EAD对H1什么情况下有用? - I'll address in next post. 2,H1的EAD,是不是只要不用,就不存在丧失H1的问题? - Right. 3,律师建议我的3岁小孩(H4)也申请EAD,说可以凭这个EAD, 把SSN办下来,此法可行否? - Doable, while your kid should have been issued an SSN if born here.