回复：回复：回复：同 H1 相比，用EAD工作有什么坏处吗？谢谢

Once you use EAD, you lose your non-immigration status such as H-1B. So, you have no chance to get back to any non-immigration status again. If your I-140 or I-485 application is denied, you have to go back to CHINA.