H 簽證隻能提前最多10天入境。 - 回複：幫朋友問問簽證文題，比較急，請幫忙！！！

His H-1 on I-797 approval notice starts from 11/1/2008, so he is not allow to enter US until after 10/22/2008.

If he arrives at border of US prior to, he may be refused, or allowed under other visa category, like B-2.

He better changes his flight.