我的H1B没过期(8月过期),但是换公司了。现在需要7月份回国几天。那还需要再重新签证吗? -You mean your H-1 visa stamp 没过期, right? If so, not need a new visa as long as you come back before the H-1 visa stamp expires. 还是可以拿着新公司的797和去年没过期的签证入关? -Yes.