8老师您好: 请教一个问题,我目前是L1-A身份,我爱人为H1-B,我想转换为H4,可以在美国国内办吗? -Yes as long as you do not lose your job yet at this moment. Just file I-539. 是否出境到境外的美国大使馆申请H4 签证? -Not necessary. 非常感谢! Steel