如果两个框都在同一个域或工作组中，请在赢7，并给予适当的权限.确保从网络上的Win XP可以访问Win 7框，然后您将能够使用UNC路径访问该文件夹.

If both boxes are in the same domain or workgroup, share the folder in Win 7 and give appropriate permissions. Make sure Win 7 box is reachable from Win XP from the network and then you''ll be able to acces the folder using UNC path.